Best Arlen Ness Breather Filters in 2026

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.

REPLACEMENT Crankcase Ventilation Filter -restores drivability.

FITMENT - Any Vehicle Using The Cummins 6.7L ISB Engine . 2008-2021 Dodge Ram 2500 3500 4500 5500 , 2008-2015 Ford F650 / F750 , 2008-2018 Blue Bird All American FE/RE, 2008-2018 Blue Bird Vision School Bus, 2012-2017 Freightliner 108SD, 2008-2019 Freightliner B2, 2008-2009 Freightliner Cargo/M2, 2008-2013 Freightliner M2 106, 2008-2017 Freightliner MB Line/MC Line, 2011-2014 Freightliner MCL, 2008-2018 Freightliner MT45, 2008-2017 Freightliner MT55.

REPLACES# CV52001 , 68002433AA 68002433AB 68002433AC , 4936636 , 904-418

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.

NO ONGOING COSTS- No batteries, no refills and no liquids required

EASY TO USE- hand held and fits in your pocket with written and online video instructions

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.

Triple chrome-plated steel top and base

Made with pre-dyed synthetic media for lasting color

Includes a stainless steel adjustable clamp

MERV 13 - Commercial, industrial and medical grade Merv 13 material protects against airborne particles down to 0.3 microns, which is good enough to stop most air born particles.

EASY TO CUT - You get a full 16 square foot sheet of advanced Merv 13 air filtration material. Use it as an inner layer in DIY projects or cut it to spec for other projects or custom sized air furnace filters and HVAC filters.

CLEANER AIR - This is the exact same Merv 13 material we use in our advanced air filters to clean and protect the air of homes, businesses, offices, warehouses and medical facilities all over the USA.

Pod rubber mount is ribbed internally for secure mounting to carb

Internal diameter of filter pods:52mm

Overall length of filters is 85mm

NOW IN PINK: INDEPENDENT INHALING AND EXHALING DIAL CONTROL: The Breather muscle trainer operates with independent settings for inhalation and exhalation. The ultimate lung trainer, supporting respiratory health by promoting belly breathing.

THE BREATHER PINK IS FOR ALL AGES: From 8 -98, The Breather can be used by people of all ages, from children to adults, and especially our seniors. The Breather offers a gentle start to training and up to 6 different resistance options for you to progress in training your breath. For more intense training, check out the Breather Fit or Breather Voice devices.

GUIDED MOBILE APP INCLUDED + BREATHER UNIVERSITY: PN Medical, the creators of The Breather offer an easy training plan, which is self paced through the Guided Mobile Training App to help you achieve the best results. You won’t go on this journey alone. From the Guided Breather Coach Mobile App to Breather University, where you can find tons of videos to help you along the way, The Breather Community will be with you every step of the way.

Size: 51*51*40;Neck: 12mm;Bottom Diameter:12mm

Material: High Quality Plastic

Help to draw more air into your engine so as to improve throttle response and enhance horsepower

【Perfect substitute】 The air filter is a perfect replacement for those outdated intake system, give your car a new life.

【More air】 Help with more air flowing into the engine machine to improve throttle response and enhance horsepower.

【increase power】 The filter will improve overall air filtration, horse power, torque and gas mileage over stock filters.

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.

Easy Installation: Built with a simple clamp-on design

Package includes: Air Filter and Clamp

Shell Color: Red and Black

weideer 100% Brand New, High Performance Air Filter

Mounting Hole Dia:12mm/ 0.47",Size:50 x 58mm/1.96 x 2.28in

Function:The car air cleaner is installed in front of the carburetor or intake pipe to filter out dust and sand particles in the air, ensures that enough clean air enters the cylinder.

【COMPATIBLE WITH】This air filter fit for most universal car and vehicles with 23mm air intake.

【PREMIUM MATERIAL】The Car Air Filter is made of metal, filter paper and rubber material. Easy to clean, lightweight and durable.

【FUNCTION】The car air filter can increase the intake air flow, filter the impurities in the air.Reduce the resistance of the engine air intake, and improve per unit time air intake and volumetric efficiency when engine running.

NO ONGOING COSTS- No batteries, no refills and no liquids required

EASY TO USE- hand held and fits in your pocket with written and online video instructions

QUICK TO USE- most people only need to use for 1- 5 minutes, 1-2 times per day

【Size】Mounting Hole Dia:12mm/ 0.47", Size:50 x 58mm/1.96 x 2.28in.

【Function】The air cleaner is mainly filter out dust and sand particles in the air, ensures that enough clean air enters the cylinder. It is washable and will last the lifetime of your engine.

【Improve】The filter will improve overall air filtration, horse power, torque and gas mileage over stock filters.

X-AVION round flat top air cleaner set includes: 1 x 9" Anodized Top / 1x Anodized Base / 1 x 9" High-Flow Black Washable & Reusable Filter / 1 x Muting stud / 1 x Wing nut.

Application: Universal to any carburetor with a 5.125"neck diameter.

Fitment: 4 barrel carburetors, commonly found on Chevy, Chrysler, Ford V8 engines.

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.

🚗12mm breather filters with chrome plated  top plates and shields for beauty and durability improve air induction efficiency drastically by curt

🚗Designed to reduce the resistance of the engine air intake and improve per unit time air intake and volumetric efficiency when engine running and increase engine power and torque output

🚗Easy to install: bolt on the machine directly. Washing the air filter to keep it clean could be reusable

This valve cover adapter replaces the original oil fill tube on the factory valve cover. It is CNC-machined from billet aluminum for precise fit, and the included silicone O-ring is specially designed to prevent oil seepage at the base of the adapter.

The top of the adapter is machined to accept a -10 AN hose end to facillitate the installation of a custom crank case evacuation system, PCV system, or for use with a vacuum pump.

Designed for LSX LS1 / LS6 / LS2 / LS3 / LS7. For Camaro Firebird 1998-2002, For Corvette C5 C6 1997-2013, For Gto 2004-2006, For Camaro 2010-2013, For Most Lsx Engines.

🔵 FREE Mounting Bracket With Purchase! (Ships Within 1 Business Day)

🔵 Premium Quality & Durable ----- Make with High Quality 100% Billet, 6061 Aluminum, Anodized Surface, high temperature resistance and corrosion resistant for optimal durability and longevity.

🔵 Easy to clean & Reusable ----- When it gets too full of oil, you could take down and empty it, it is easy to clean and could be reused constantly.