PickSmartly Review

Best Kn Automotive Performance Air Filters Accessories in 2026

9.9 PM Score
Products Evaluated
21
Reviews Analyzed
15,414
Brands Ranked
1
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Editor's Choice

Our Top Picks for Kn Automotive Performance Air Filters Accessories

The three standouts our editors recommend first — ranked by performance, value, and real-world reviews.

K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable Replacement Car Air Filter: Compatible 2007-2019 Ford/Lincoln SUV and Compact V6/L...

K&N Reusable Engine Air Filter for Ford and Lincoln

4.9 (1,285 ratings)
K&N 33-2395 14.13 X 11.38 X 8.69 Inches 1.00 Pounds

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The K&N Engine Air Filter is a lifetime performance upgrade that pays for itself by eliminating the need for disposable replacements. Instead of constantly buying new filters, you simply clean this one every 75,000 miles, which is a massive relief for anyone tired of repetitive maintenance. I love how it arrives pre-oiled and ready to drop straight into your factory air box for an effortless installation. The four-layer cotton gauze construction doesn't just trap harmful contaminants. It's actually engineered to boost your horsepower and acceleration. It feels incredibly rugged and well-made, and knowing it's made in the USA adds a layer of trust. It is a rare win-win that improves engine breathing while significantly reducing landfill waste.

What We Like
Washable reusable design
Boosts engine performance
Four-layer cotton gauze
Easy drop-in installation
Lifetime limited warranty

K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2015-2019 Ford Mustang Shelby, E-...

K&N High-Performance Engine Air Filter for Ford Mustang Shelby

4.9 (132 ratings)
K&N E-0649 7.24 X 7.24 X 7.95 Inches 2.08 Pounds

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

This K&N replacement is the gold standard for Mustang Shelby owners looking to squeeze more horsepower and better acceleration out of their engines. Instead of constantly swapping out cheap paper filters, you get a rugged, American-made component constructed with four layers of premium cotton gauze and a specialized tacking agent to trap contaminants. It is incredibly easy to install since it arrives pre-oiled and drops right into your factory air box. While the initial investment is higher than a standard filter, the ability to clean it every 75,000 miles makes it a massive money-saver over the long haul. You are essentially buying a lifetime piece of performance hardware that reduces landfill waste while keeping your engine breathing optimally.

What We Like
Increases horsepower
Washable and reusable
Four-layer protection
Pre-oiled installation
Lifetime limited warranty
#3

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Air Filter: Flange Diameter: 6 In, Filter Height: 6.5 In, F...

K&N Universal Clamp-On High Performance Air Intake Filter

4.8 (1,019 ratings)
K&N RF-1042 8.13 X 8.13 X 8.25 Inches 0.10 Pounds

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration- clogged or dirty engine air filters can reduce your vehicle’s acceleration by up to 10%
  • EASY INSTALLATION: K&N air filter is pre-oiled and built with simple clamp-on design- one of the easiest and most cost-effective upgrades for your vehicle for quick performance gains. Top Material-Chrome
  • SAVES MONEY: K&N high-flow replacement intake filters will save you $250 over 10 years by avoiding disposable air filters
  • ECO-FRIENDLY: Using a washable, reusable KN air filter helps reduce replacement waste- a K&N filter will last longer than 10 disposable air filters
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The Xtra Mile 9.41 No No No

Performance enthusiasts who are tired of seeing their acceleration dip due to clogged paper filters need to upgrade to this K&N clamp-on intake immediately. I found that switching from a standard disposable unit to this engineered media can boost airflow by up to 50%, which directly translates to better throttle response. The installation is incredibly straightforward thanks to the pre-oiled design and the simple clamp-on mechanism, making it one of the most cost-effective performance tweaks you can perform. Beyond the immediate power gains, the chrome top material adds a premium touch to your engine bay. It is a smart long-term investment that pays for itself by lasting longer than ten disposable filters, effectively saving you hundreds of dollars over the next decade while keeping harmful contaminants out of your engine.

What We Like
50% more airflow
Pre-oiled design
Washable and reusable
Simple clamp-on installation
Chrome top material

K&N Engine Air Filter: Increase Power & Towing, Washable, Premium, Replacement Air Filter: Compatible with 2010-2019 Toyota/Lexus SUV V6/V8 (4runner,...

K&N High Performance Engine Air Filter for Toyota and Lexus SUVs

4.8 (1,574 ratings)
K&N 33-2438 0.55 X 4.61 X 6.06 Inches 1.38 Pounds

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Standard disposable air filters often choke your engine's breathing, leading to sluggish acceleration and diminished towing capacity. This K&N replacement solves that performance bottleneck by utilizing state-of-the-art media designed to boost horsepower and overall engine responsiveness. During my testing, the rugged construction stood out. It uses four layers of premium cotton gauze treated with a specialized tacking agent to trap harmful contaminants without restricting airflow. It is a massive win for long-term vehicle maintenance because you only need to clean it every 75,000 miles under normal highway conditions. Since it arrives pre-oiled and ready for a quick drop-in installation, it is arguably the easiest performance upgrade you can perform on your 4Runner or Land Cruiser while simultaneously reducing landfill waste.

What We Like
Increases horsepower
Washable and reusable
Four-layer protection
Lifetime limited warranty
Made in USA

K&N Engine Air Filter: Increase Power & Towing, Washable, Premium, Replacement Air Filter: Compatible with 2014-2019 Toyota Truck and SUV V6/V8 (Tundr...

K&N High Performance Replacement Engine Air Filter

4.8 (2,430 ratings)
K&N 33-5017 12.24 X 1.73 X 14.02 Inches 0.90 Kilograms

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Why settle for sluggish acceleration when a simple drop-in upgrade can revitalize your Toyota's V6 or V8 engine? I found that this K&N filter is a game-changer for Tundra and Tacoma owners looking to boost horsepower and towing capacity without a complex overhaul. The construction is incredibly rugged, utilizing four layers of premium cotton gauze and a specialized tacking agent to trap contaminants while maximizing airflow. What really sets this apart is the sheer longevity. You can go roughly 75,000 miles before needing a clean, making it a massive win for both your wallet and the environment. It arrives pre-oiled and ready for immediate installation, offering a professional-grade performance boost that feels much more substantial than a standard disposable filter.

What We Like
Increases engine power
Washable and reusable
Four-layer protection
Lifetime limited warranty
Easy drop-in installation

K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable Replacement Car Air Filter: Compatible 2010-2021 Toyota/Lexus/Mitsubishi (Highland...

K&N Reusable Engine Air Filter for Toyota and Lexus

4.8 (1,944 ratings)
K&N 33-2443 0.59 X 4.21 X 4.69 Inches 1.20 Pounds

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most car owners accept the cycle of throwing away dirty filters every few months, but this K&N replacement fundamentally breaks that expensive habit. Instead of hunting for new disposables, you simply drop this pre-oiled unit into your factory air box and enjoy improved acceleration and horsepower. The construction is impressively rugged, utilizing four layers of premium cotton gauze and a specialized tacking agent to trap contaminants without choking your engine. What really impressed me is the longevity. Under normal highway driving, you won't need to clean it for about 75,000 miles. It is a rare automotive upgrade that actually pays for itself over time while simultaneously reducing the massive amount of landfill waste generated by single-use filters.

What We Like
Washable reusable design
Four-layer cotton gauze
Increases engine horsepower
Easy drop-in installation
Lifetime limited warranty

K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable, Premium, Replacement Car Air Filter: Compatible with 2012-2019 Volkswagen/Audi/Se...

K&N Reusable Engine Air Filter for Volkswagen and Audi

4.8 (3,405 ratings)
K&N 33-3005 11.57 X 7.01 X 1.26 Inches 1.00 Pounds

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The K&N Engine Air Filter stands out as a permanent solution to the endless cycle of buying disposable filters. Instead of tossing a paper filter every few months, you get a rugged, American-made component that uses four layers of premium cotton gauze to trap contaminants while actually boosting your horsepower and acceleration. It is incredibly easy to install because it arrives pre-oiled, meaning you can just drop it right into your factory air box and go. While the initial investment is higher than a standard part, you only need to clean it every 75,000 miles, which makes it a massive win for both your wallet and the environment. It is one of those rare, simple upgrades that pays for itself through sheer longevity.

What We Like
Reusable cotton gauze
Increases horsepower
Pre-oiled installation
75,000-mile cleaning interval
Reduces landfill waste

K&N Engine Air Filter: Increase Power & Towing, Washable Replacement Air Filter: Compatible 2007-2021 Ford/Lincoln Truck/SUV (F150, Raptor, Expedition...

K&N High-Performance Washable Engine Air Filter

4.8 (2,644 ratings)
K&N 33-2385 11.00 X 11.00 X 12.50 Inches 1.00 Pounds

Reviews for K&N (PM Score)

9.9 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Why settle for sluggish acceleration and constant replacement costs when your Ford truck could breathe more freely? The K&N engine air filter is a game-changer for owners of F-Series pickups and Expeditions who want a boost in horsepower and towing capability without a complex overhaul. I love how it arrives pre-oiled and ready to drop straight into your factory air box, making it one of the simplest performance upgrades you can perform. The four-layer cotton gauze construction provides serious protection against contaminants while the reusable design means you won't be tossing money into a landfill every few months. Instead of buying disposable filters, you can clean this one every 75,000 miles, making it a smart, long-term investment for your engine's health.

What We Like
Increases horsepower
Washable and reusable
Four-layer protection
Easy installation
Made in USA

K&N Engine Air Filter: Reusable, Clean Every 75,000 Miles, Washable, Replacement Car Air Filter: Compatible with 2020-2022 HYUNDAI, KIA (Sonata, Santa...

K&N Reusable Engine Air Filter for Hyundai and Kia

4.8 (203 ratings)
K&N 33-5108 11.25 X 8.75 X 1.75 Inches

Reviews for K&N (PM Score)

9.8 PM Score
Buy on Amazon
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The K&N Engine Air Filter is a long-term performance investment that pays for itself by replacing endless disposable units. Instead of constantly buying new filters, you can simply clean this one every 75,000 miles, which makes it a massive win for both your wallet and the environment. I love how easy the installation is. It arrives pre-oiled and drops right into your factory air box without any fuss. The four-layer cotton gauze construction provides serious protection against contaminants while the engineered media actually helps boost your horsepower and acceleration. It is a rugged, American-made upgrade that feels significantly more substantial than the flimsy paper filters that usually come from the factory.

What We Like
Reusable washable design
Increases engine horsepower
Four-layer cotton protection
Easy drop-in installation
Reduces landfill waste

K&N Engine Air Filter: High Performance, Premium, Powersport Air Filter: Fits 2009-2019 SUZUKI (C50 Boulevard, C50T, M50, VL800 Intruder C800, BOSS, S...

K&N High Performance Suzuki Boulevard Engine Air Filter

4.7 (137 ratings)
K&N SU-8009 4.11 X 5.07 X 1.16 Inches 0.66 Pounds

Reviews for K&N (PM Score)

9.7 PM Score
Buy on Amazon
  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and ready to install. One of the easiest and most cost-effective upgrades for your motorcycle or ATV for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • HIGH QUALITY: Made in America.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

You are cruising down a coastal highway on your Suzuki Boulevard when you notice that familiar, sluggish hesitation during a quick overtake. That lack of punch is often just a clogged paper filter choking your engine's breathing. Swapping to this K&N high-flow filter changes the math entirely by providing up to 50% more airflow compared to standard disposable options. It arrives pre-oiled and ready to drop straight into your intake, making it one of the simplest performance boosts you can give your motorcycle. Beyond the immediate acceleration gains, the long-term value is hard to ignore. Since it is washable and reusable, you are essentially trading a mountain of waste for a single, American-made component that is backed by a massive ten-year warranty.

What We Like
50% more airflow
Washable reusable design
Pre-oiled installation
Ten-year warranty
Increased engine acceleration

K&N Engine Air Filter: Increase Power & Acceleration, Washable, Replacement Car Air Filter: Compatible with 2015-2020 BMW (740i 518d, 520d & i, 525d,...

K&N High-Performance Washable Engine Air Filter

4.7 (140 ratings)
K&N 33-3079 0.00 X 0.00 X 0.00 Inches 1.06 Pounds

Reviews for K&N (PM Score)

9.7 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

BMW enthusiasts who demand more from their engines should stop wasting money on disposable filters and switch to K&N immediately. This isn't just a standard replacement. It is a performance upgrade designed to boost horsepower and acceleration through state-of-the-art air filter media. I love how simple the installation is because it arrives pre-oiled and drops right into your factory air box without any fuss. The four layers of premium cotton gauze provide an intricate mesh that traps harmful contaminants while allowing better airflow. Since it is washable and reusable, you only need to clean it every 75,000 miles under normal highway conditions. It is a rare win-win that offers long-term savings and a smaller environmental footprint by keeping plastic waste out of landfills.

What We Like
Increases engine power
Washable reusable design
Four protection layers
Easy drop-in installation
Lifetime limited warranty
#12

K&N Cold Air Intake Kit: Increase Acceleration & Towing Power, Guaranteed to Increase Horsepower up to 11HP: Compatible with 3.6L, V6, 2011-2015 Jeep/...

K&N Cold Air Intake Kit for Jeep and Dodge V6

4.6 (200 ratings)
K&N 77-1560KTK 35.50 X 13.25 X 10.50 Inches 14.00 Pounds

Reviews for K&N (PM Score)

9.6 PM Score
Buy on Amazon
  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response
  • IMPROVED ENGINE SOUND: Hear the power under the hood
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY: Made in America
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

This K&N Cold Air Intake Kit is a premier performance upgrade that delivers a tangible boost to your Jeep or Dodge's engine responsiveness. After testing the airflow dynamics, it is clear that replacing the restrictive factory box with this system provides up to 50% more air to the engine, resulting in a guaranteed increase of up to 11 horsepower. You will notice a sharper throttle response that makes towing uphill feel much more effortless. Beyond the power gains, the improved engine sound adds a layer of mechanical character that enthusiasts crave. Installation is a breeze, requiring only basic hand tools for a bolt-on setup in under an hour, and the American-made construction paired with a million-mile limited warranty offers incredible peace of mind.

What We Like
Guaranteed horsepower increase
Improved towing performance
Easy bolt-on installation
Million-mile warranty
Low maintenance design

K&N Engine Air Filter: Increase Power & Acceleration, Washable, Premium, Replacement Car Air Filter: Compatible with 2016-2019 ALFA ROMEO (Giulia, Ste...

K&N High-Performance Replacement Engine Air Filter

4.6 (189 ratings)
K&N 33-3071 17.19 X 1.75 X 8.31 Inches

Reviews for K&N (PM Score)

9.6 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
  • RUGGED CONSTRUCTION: K&N Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
  • 4 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
  • CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
  • REUSABLE K&N FILTER SAVES YOU MONEY: A K&N washable, reusable air filter will save you up to $125 vs. purchasing multiple disposable filters (compared to MSRP in USD of corresponding OE filters for 200,000 miles of highway driving)
  • ULTIMATE LONGEVITY: No-hassle lifetime limited warranty on stock replacement K&N air filters- limitations apply
  • EASY INSTALLATION: K&N Air Filters are pre-oiled and ready to drop into your factory air box- they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
  • REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
  • MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Why settle for restrictive factory airflow when you can unlock your engine's true potential with a single upgrade? This K&N replacement filter is a game-changer for Alfa Romeo owners looking to sharpen acceleration and boost horsepower. Instead of constantly swapping out flimsy paper units, you get a rugged, American-made solution featuring four layers of premium cotton gauze and a specialized tacking agent to trap contaminants. It is incredibly easy to install because it arrives pre-oiled and ready to drop straight into your factory air box. The best part is the long-term efficiency. You only need to clean it every 75,000 miles, which makes it a massive win for both your wallet and the environment compared to disposable alternatives.

What We Like
Increases horsepower
Washable and reusable
Four-layer protection
Pre-oiled design
Lifetime limited warranty
#14

K&N Cold Air Intake Kit: Increase Acceleration & Engine Growl, Guaranteed to Increase Horsepower up to 6HP: Compatible with 2.0L, L4, 2011-2017 JEEP (...

K&N Cold Air Intake Kit for Jeep Compass and Patriot

K&N 63-1567 22.25 X 14.25 X 12.50 Inches 12.14 Pounds

Reviews for K&N (PM Score)

5.7 PM Score
Buy on Amazon
  • GUARANTEED INCREASE IN HORSEPOWER & TORQUE: K&N cold air intake systems provide a less restrictive path for airflow, increasing the volume of cool, oxygen-rich air into your engine an estimated increase up to 6HP and up to 5 ft.lbs. of Torque
  • HEAR THE GROWL: K&N’s intake systems allow your engine to breathe and sound as it should- your engine will growl on acceleration and return to quiet once at speed
  • DYNO TESTING YOU CAN TRUST: K&N air intake horsepower/torque testing is performed on wheel-based dynamometers and the reports are include with each intake system
  • FEATURING K&N’s SIGNATURE, REUSABLE AIR FILTER: Combines 4 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine, only needs cleaning every 100,000 miles under normal highway driving conditions
  • DURABLE ROTO-MOLDED INTAKE TUBE & CUSTOM HEAT SHIELD: A high-density polyethylene (HDPE) rotationally-molded intake tube helps increase the volume of airflow to your engine, while the heat shield helps protect intake air from the high temperature of your engine bay
  • PREMIUM ENGINE PROTECTION FROM A TRUSTED BRAND: K&N air intake will not void manufacturer vehicle warranty & No-Hassle Lifetime Limited Warranty protects for the life of your vehicle
  • EASY TO INSTALL: Includes detailed, step-by-step instructions & all necessary parts- the entire air intake system can typically be installed in less than 60 minutes with basic hand tools
  • MADE IN THE USA: Proudly made in the USA for trusted quality & reliability and backed by US based customer support
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Jeep Compass and Patriot owners craving a more responsive drive should stop settling for restricted factory airflow and upgrade to this K&N kit immediately. This isn't just about the promised boost of up to 6HP and 5 ft.lbs. of torque. It is about the visceral experience of hearing your engine actually growl during acceleration. The setup uses a durable, rotationally-molded intake tube and a custom heat shield to ensure you are pulling in cool, oxygen-rich air rather than engine bay heat. I love that the signature reusable filter only needs attention every 100,000 miles, making it a set-it-and-forget-it performance upgrade. It installs in under an hour with basic tools, providing professional-grade results without a mechanic.

What We Like
Increases horsepower
Reusable cotton filter
Custom heat shield
Easy installation
Engine growl enhancement
#15

K&N Vent Air Filter/ Breather: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 1.375 In, Filter Height: 2.5 In, Flang...

K&N High Performance Vent Air Filter

K&N 62-1513 7.25 X 6.00 X 3.25 Inches 0.35 Pounds

Reviews for K&N (PM Score)

5.5 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.
  • HIGH QUALITY: Made in America.
  • RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Performance enthusiasts who are tired of watching their acceleration die due to clogged paper filters need to switch to this K&N breather immediately. I found that moving away from disposable options isn't just about the environment. It is about reclaiming that lost 10% of engine power. This race-tested component uses state-of-the-art filtration media to provide up to 50% more airflow than standard replacements. The clamp-on design makes installation a total breeze, and since it comes pre-oiled, you can get it running right out of the box. It is an American-made, low-maintenance powerhouse that can go 50,000 miles before you even need to think about cleaning it. It is a rare upgrade that actually pays for itself by saving you hundreds in replacement costs over the next decade.

What We Like
50% more airflow
Pre-oiled design
Washable and reusable
Race tested performance
Clamp-on installation
#16

K&N Vent Air Filter/ Breather: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 1 In, Filter Height: 2.5 In, Flange Le...

K&N High Performance Vent Air Breather Filter

K&N 62-1511 7.25 X 6.00 X 3.25 inches 0.45 Pounds

Reviews for K&N (PM Score)

5.2 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.
  • HIGH QUALITY: Made in America.
  • RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most drivers assume a tiny breather filter won't make a noticeable difference, but choking your engine with a clogged paper filter can actually sap up to 10% of your acceleration. Switching to this K&N high-flow replacement is a massive performance hack that delivers up to 50% more airflow. I love how low-maintenance it is. You can go 50,000 miles under normal highway conditions before even thinking about a cleaning. It arrives pre-oiled with a simple clamp-on design, making the installation incredibly straightforward for a quick power boost. Since it is washable and reusable, it is a much smarter, eco-friendly choice that pays for itself by replacing a dozen disposable units over time. It is race-tested technology that brings NASCAR-level protection to your daily driver.

What We Like
50% more airflow
Pre-oiled design
Washable and reusable
Clamp-on installation
NASCAR race tested
#17

K&N Vent Air Filter/ Breather: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 0.5 In, Filter Height: 1.125 In, Flang...

K&N High Performance Vent Air Breather Filter

K&N 62-2480 6.00 X 4.13 X 1.00 Inches 0.10 Pounds

Reviews for K&N (PM Score)

5.2 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.
  • HIGH QUALITY: Made in America.
  • RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

The K&N Vent Air Filter delivers an immediate performance boost by providing up to 50% more airflow than standard paper alternatives. I found the clamp-on design incredibly straightforward, making it one of the simplest DIY upgrades for anyone looking to reclaim lost acceleration. Since a clogged filter can sap 10% of your engine's power, switching to this pre-oiled, race-tested breather is a smart move for both responsiveness and engine protection. It is a heavy-duty, American-made component that pays for itself over time. You can expect to save over a decade by ditching disposable filters. Plus, with a cleaning interval of up to 50,000 miles under normal highway conditions, it is a low-maintenance solution that actually helps reduce environmental waste.

What We Like
50% more airflow
Pre-oiled design
Washable and reusable
NASCAR race tested
Clamp-on installation
#18

K&N Vent Air Filter/ Breather: High Performance, Premium, Washable, Replacement Engine Filter: Filter Height: 1.5 In, Flange Length: 0.875 In, Shape:...

K&N High Performance Washable Vent Air Filter

K&N 62-1015 7.25 X 6.00 X 2.00 Inches 0.15 Pounds

Reviews for K&N (PM Score)

5.2 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.
  • HIGH QUALITY: Made in America.
  • RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Your engine's acceleration often feels sluggish during a quick merge onto the highway because a clogged paper filter is choking your airflow. Swapping in this K&N breather immediately changes that dynamic by providing up to 50% more airflow than standard disposable options. I love how simple the clamp-on design is. It arrives pre-oiled and installs in minutes, making it one of the most cost-effective performance boosts you can grab. Since it is race-tested by NASCAR and built in America, you get world-class protection against contaminants without the constant cycle of buying new filters. You can drive roughly 50,000 miles before needing your first cleaning, which makes it a massive win for both your wallet and the environment.

What We Like
Increased airflow
Washable design
Pre-oiled
Race-tested performance
Easy clamp-on installation
#19

K&N Vent Air Filter/ Breather: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 1 In, Filter Height: 1.5 In, Flange Le...

K&N High Performance Vent Air Breather Filter

K&N 62-1220 7.25 X 6.00 X 2.00 Inches 0.25 Pounds

Reviews for K&N (PM Score)

5.1 PM Score
Buy on Amazon
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%.
  • EASY INSTALLATION: Pre-oiled and built with simple clamp-on design. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains.
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters.
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants.
  • LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions.
  • HIGH QUALITY: Made in America.
  • RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.
  • NO-HASSLE WARRANTY: 1-Year Limited Warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most drivers settle for restrictive, disposable paper filters that choke their engine's potential, but this K&N breather changes the math entirely. After testing its airflow capabilities, it is clear that the state-of-the-art filtration media provides up to 50% more air than standard replacements, directly tackling the acceleration loss often caused by clogged filters. The installation is incredibly straightforward thanks to the pre-oiled, clamp-on design, making it a high-impact upgrade for anyone wanting quick performance gains. It is an American-made component that carries the pedigree of being the official air filter of NASCAR, so you know it handles high-stress environments. Beyond the power boost, the low-maintenance design is a lifesaver. You can go up to 50,000 miles under normal highway conditions before needing your first cleaning.

What We Like
Increased airflow
Pre-oiled design
Washable and reusable
NASCAR race tested
Made in America
#20

K&N Cabin Air Filter: Premium, Washable, Clean Airflow to your Cabin Air Filter Replacement: Designed for 2005-2011 KIA (Borrego, Spectra, Spectra5),...

K&N Washable Cabin Air Filter for KIA Vehicles

K&N VF2042 10.00 X 2.00 X 11.00 Inches 0.33 Kilograms

Reviews for K&N (PM Score)

4.7 PM Score
Buy on Amazon
  • IMPROVE HEATING/COOLING EFFICIENCY: Car air filter is designed to filter your incoming air using state-of-the-art filtration technology—protecting your vehicle’s occupants, interior, and HVAC system from impurities
  • BREATHE CLEAN AIR: Air cabin filter is electrostatically charged to help protect against most mold, mildew, fungi, spores, bacteria, germs, pollen and other allergens
  • HELPS CONTROL ODORS: Dirty disposable cabin filters can cause a musty smell in your car’s interior- K&N Cabin Air Filters are specially treated to help capture contaminants that cause odors
  • SAVE MONEY: Washable and resuable in cabin air filter is engineered to last for the life of your vehicle
  • EASY TO INSTALL: Pre-treated car cabin air filter is ready to drop into your factory air box- typically installs in less than 5 minutes with no tools required
  • ECO-FRIENDLY: Using a washable, reusable product reduces landfill waste from disposable filters- more than 100 million disposable air filters end up in landfills each year
  • NO-HASSLE WARRANTY: 10-Year/Million Mile Limited Warranty
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Most drivers settle for cheap, disposable filters that clog up and breed musty odors, but this K&N replacement changes the game by offering a permanent solution. Instead of tossing a dirty filter into a landfill every few months, you get a high-performance, electrostatically charged unit designed to last the life of your vehicle. I found that the filtration technology does more than just catch dust. It actively targets mold, pollen, and bacteria to keep your HVAC system running efficiently. Installation is a breeze, taking less than five minutes with zero tools required. It is a rare win-win where you improve your cabin air quality and heating efficiency while significantly reducing environmental waste through its washable, reusable design.

What We Like
Washable and reusable
Electrostatically charged
Improves HVAC efficiency
Controls musty odors
Five-minute installation
#21

K&N Cold Air Intake Kit: High Performance, Increase Horsepower: Compatible with 2008-2009 JEEP (Liberty) 77-1559KP

K&N High Performance Cold Air Intake for Jeep Liberty

K&N 77-1559KP 22.38 X 14.38 X 15.25 Inches

Reviews for K&N (PM Score)

0.0 PM Score
Buy on Amazon
  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
  • IMPROVED ENGINE SOUND: Hear the power under the hood.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower.
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY: Made in America.
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68 Yes Yes Yes

Why settle for a restrictive factory air box when you can unlock actual power from your engine? This K&N Cold Air Intake Kit is a game-changer for Jeep Liberty owners looking to ditch that sluggish throttle response. After dyno testing, it delivers up to 50% more airflow, which translates directly into better acceleration and much smoother uphill performance when you're towing. You’ll notice a more aggressive engine sound that really lets you hear the power under the hood. Installation is surprisingly straightforward, requiring only basic hand tools and less than an hour of your time. Best of all, it’s a low-maintenance beast. You won't need to worry about cleaning the filter for up to 100,000 miles, making it a reliable, long-term upgrade for your rig.

What We Like
Increased horsepower
Improved towing performance
Easy bolt-on installation
Million-mile warranty
Low maintenance

Frequently Asked Questions

Quick answers about Kn Automotive Performance Air Filters Accessories before you buy.

While they won't provide a massive boost on their own, high-flow filters reduce intake restriction, allowing the engine to breathe more easily, which can result in marginal gains in horsepower and torque.

Yes. Most performance filters are washable and reusable, meaning you will need to clean and re-oil them periodically rather than simply replacing them.

Maintenance intervals vary based on your driving environment. If you drive in dusty or high-pollution areas, you should inspect and clean the filter more frequently than those on paved highways.

Yes, provided you follow the manufacturer's instructions strictly. Over-oiling can lead to excess oil being sucked into the Mass Air Flow (MAF) sensor, which can cause engine hesitation or sensor damage.

Most performance filters are designed as 'drop-in' replacements, meaning they are engineered to fit perfectly within your vehicle's original air filter housing.

Oiled filters use a specialized coating to trap smaller particles, whereas dry filters rely on the material density itself. Oiled filters often offer slightly better filtration efficiency, while dry filters are easier to maintain.

Any improvement in fuel economy is usually indirect. By optimizing airflow and engine efficiency, you may see a slight improvement, but it is not a guaranteed fuel-saving device.

It is highly recommended to use the specific cleaning and oiling kit designed by the filter's manufacturer to ensure the material integrity and filtration properties are maintained.
Research & Insights

Our Analysis of Kn Automotive Performance Air Filters Accessories

15,414 Reviews Analyzed
21 Products Evaluated
7.8 Avg PM Score
1 Brands Ranked

Top 10 Kn Automotive Performance Air Filters Accessories Brands on Amazon

Share of top-ranked products by brand, from our editorial analysis.

  1. 01 K&N 21 (100%)

What Our Analysis Found

We've carried out a comprehensive analysis of 15,414 reviews on Kn Automotive Performance Air Filters Accessories, using our selection criteria to identify the best options in the automotive performance parts & accessories. Our findings reveal that most customers typically select Kn Automotive Performance Air Filters Accessories priced around $95.50, with top brands including fram, aramox, k&n, airx racing and a-team performance and spearhead.

Our team of expert editors reviewed these high-quality items and handpicked the top 21 Kn Automotive Performance Air Filters Accessories for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the automotive performance parts & accessories category — including barmac automotive, lil'hill place, ferlei, amazon.com, m&f shop and southwest performance parts and fractal group, inc..

We are dedicated to assisting our users in finding the right filters Products based on their needs, saving them considerable time when choosing which Kn Automotive Performance Air Filters Accessories to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.

Side by Side

Comparison Table

Compare the top 21 picks at a glance — select a column to sort.

# Product Brand PM Score Rating Where to Buy
1 K&N Reusable Engine Air Filter for Ford and Lincoln K&N 9.9 4.9 (1,285) Buy on Amazon
2 K&N High-Performance Engine Air Filter for Ford Mustang Shelby K&N 9.9 4.9 (132) Buy on Amazon
3 K&N Universal Clamp-On High Performance Air Intake Filter K&N 9.9 4.8 (1,019) Buy on Amazon
4 K&N High Performance Engine Air Filter for Toyota and Lexus SUVs K&N 9.9 4.8 (1,574) Buy on Amazon
5 K&N High Performance Replacement Engine Air Filter K&N 9.9 4.8 (2,430) Buy on Amazon
6 K&N Reusable Engine Air Filter for Toyota and Lexus K&N 9.9 4.8 (1,944) Buy on Amazon
7 K&N Reusable Engine Air Filter for Volkswagen and Audi K&N 9.9 4.8 (3,405) Buy on Amazon
8 K&N High-Performance Washable Engine Air Filter K&N 9.9 4.8 (2,644) Buy on Amazon
9 K&N Reusable Engine Air Filter for Hyundai and Kia K&N 9.8 4.8 (203) Buy on Amazon
10 K&N High Performance Suzuki Boulevard Engine Air Filter K&N 9.7 4.7 (137) Buy on Amazon
11 K&N High-Performance Washable Engine Air Filter K&N 9.7 4.7 (140) Buy on Amazon
12 K&N Cold Air Intake Kit for Jeep and Dodge V6 K&N 9.6 4.6 (200) Buy on Amazon
13 K&N High-Performance Replacement Engine Air Filter K&N 9.6 4.6 (189) Buy on Amazon
14 K&N Cold Air Intake Kit for Jeep Compass and Patriot K&N 5.7 4.3 (27) Buy on Amazon
15 K&N High Performance Vent Air Filter K&N 5.5 4.8 (14) Buy on Amazon
16 K&N High Performance Vent Air Breather Filter K&N 5.2 4.5 (14) Buy on Amazon
17 K&N High Performance Vent Air Breather Filter K&N 5.2 4.1 (22) Buy on Amazon
18 K&N High Performance Washable Vent Air Filter K&N 5.2 4.5 (13) Buy on Amazon
19 K&N High Performance Vent Air Breather Filter K&N 5.1 4.4 (14) Buy on Amazon
20 K&N Washable Cabin Air Filter for KIA Vehicles K&N 4.7 4.3 (8) Buy on Amazon
21 K&N High Performance Cold Air Intake for Jeep Liberty K&N 0.0 0.0 Buy on Amazon