Best Kn Rc Engine Air Filters in 2026

Daisy
Last Updated: Jul 18, 2026

At a Glance: Our Top Picks for Kn Rc Engine Air Filters

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 6 In, Filter Height: 9 In, Flange Length: 0.625 In, Shape: Round Tapered, RC-5046
#TOP1
K&N Universal Clamp-On Air Intake Filter: High Performance,
9.7
PM SCORE
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 1.9375 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round Tapered, RC-1060
#TOP2
K&N Universal Clamp-On Air Filter: High Performance, Premium,
9.6
PM SCORE
K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.125 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Round Tapered, RC-2340
#TOP3
K&N Universal Clamp-On Air Filter: High Performance, Premium,
7.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Kn Rc Engine Air Filters of 2026

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 6 In, Filter Height: 9 In, Flange Length: 0.625 In, Shape: Round Tapered, Rc-5046

K&N
RC-5046
10.00 X 10.00 X 10.00 Inches
1.98 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

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

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 1.9375 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round Tapered, Rc-1060

K&N
RC-1060
4.63 X 4.63 X 4.25 Inches
0.40 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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,Product Style : Round Tapered Universal Air Filter

RACE TESTED: The Official Air Filter of NASCAR. Trusted on the racetrack—made for your vehicle.

NO-HASSLE WARRANTY: 1-Year Limited Warranty

Filter Re-Oiling Amount : 0.18 oz (5 ml)

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.125 In, Filter Height: 2.75 In, Flange Length: 0.625 In, Shape: Round Tapered, Rc-2340

K&N
RC-2340
4.50 X 4.50 X 4.25 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

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

RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime

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)

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

UNIVERSAL FITMENT: Designed for use on a variety of applications

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

NO-HASSLE WARRANTY: 1-Year Limited Warranty

MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Replacement Air Filter: Flange Diameter: 1.125 In, Filter Height: 2.5 In, Flange Length: 0.625 In, Shape: Round Tapered, Rc-2540

K&N
RC-2540
7.25 X 6.00 X 3.25 Inches
0.12 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

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

RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime

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)

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

UNIVERSAL FITMENT: Designed for use on a variety of applications

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

NO-HASSLE WARRANTY: 1-Year Limited Warranty

MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Replacement Air Filter: Flange Diameter: 4.125 In, Filter Height: 7.875 In, Flange Length: 1.125 In, Shape: Round Tapered, Rc-4900

K&N
RC-4900
13.00 X 8.63 X 8.00 Inches
2.51 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

6 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

RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime

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)

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

UNIVERSAL FITMENT: Designed for use on a variety of applications

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

NO-HASSLE WARRANTY: 1-Year Limited Warranty

MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 3.5 In, Filter Height: 9 In, Flange Length: 1.75 In, Shape: Round Tapered, Rc-3690

K&N
RC-3690
6.25 X 6.25 X 10.81 Inches
1.70 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

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

#TOP7

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.125 In, Filter Height: 4.75 In, Flange Length: 0.8125 In, Shape: Round Tapered, Rc-4890

K&N
RC-4890
4.50 X 5.50 X 9.13 Inches
0.88 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Air Filter: Flange Diameter: 2.25 In, Filter Height: 2 In, Flange Length: 0.625 In, Shape: Round, Rc-1950

K&N
RC-1950
4.50 X 4.50 X 4.25 Inches
0.66 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

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

K&N Universal Clamp-On Air Intake Filter: High Performance, Premium, Washable, Replacement Filter: Flange Diameter: 2 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round Tapered, Rc-2580

K&N
RC-2580
4.50 X 4.50 X 4.25 Inches
0.35 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance

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

RUGGED CONSTRUCTION: K&N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime

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)

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

UNIVERSAL FITMENT: Designed for use on a variety of applications

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

NO-HASSLE WARRANTY: 1-Year Limited Warranty

MADE IN USA: K&N Air Filters are proudly made in the USA for trusted quality & reliability

#TOP10

K&N Universal Clamp-On Air Filter: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 2.0625 In, Filter Height: 3 In, Flange Length: 0.625 In, Shape: Round, Rc-1150

K&N
RC-1150
4.50 X 4.50 X 4.25 Inches
0.44 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Indisaurus 6.10

Features

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

#TOP11

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 2.5 In, Filter Height: 4.5 In, Flange Length: 0.6875 In, Shape: Round Tapered, Rc-9420

K&N
RC-9420
6.44 X 6.38 X 7.13 Inches
0.77 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The Parts Place Inc. 6.22

Features

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

#TOP12

K&N Universal Clamp-On Air Filter: High Performance, Premium, Replacement Engine Filter: Flange Diameter: 3.3125 In, Filter Height: 6.5 In, Flange Length: 0.625 In, Shape: Round Tapered, Rc-2710

K&N
RC-2710
4.50 X 5.50 X 9.13 Inches
0.50 Kilograms
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

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

Top 10 rc engine air filters Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
K&N 12

Top 10 rc engine air filters Brands Pie Chart


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