Air Filters - Universal Fit

K&N's custom air cleaner assemblies are designed with the racer in mind. They incorporate good looks as well as the superior air flow that you expect from K&N. These custom air cleaner assemblies are designed for use with any engine that uses a round...

Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for...

This filter features three layers of oil-free synthetic media and requires no oil during maintenance to provide maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity, while its inverted top makes for...

aFe 22-23 Jeep Grand Wagoneer (WS) V8 6.4L Momentum GT Cold Air Intake System w/ Pro DRY S Filter

This filter features three layers of oil-free synthetic media and requires no oil during maintenance to provide maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity. This media is best suited for...

This filter features three layers of oil-free synthetic media and requires no oil during maintenance to provide maximum convenience. Its progressive layering provides great filtration efficiency and dust holding capacity. This media is best suited for...

These are replacement filters for our ETS Evolution 8/9 4" Turbo Kit Intake. These K&N filters are designed specifically for our intake kits! (SP-3605)

ISR Performance Air Filter - N62 Z32 MAF (Bolt-On Style)

ISR Performance Universal Air Filter 3in Inlet (Clamp Style)

These are replacement filters for our ETS 2015+ Subaru STI Intake Kit. These K&N filters are designed specifically for our intake kits! This filter will replace both the stock MAF Intake Filter as well as the Speed Density Intake Filter (SP-3606)

Select your intake configuration above from either Speed Density or Stock MAF to select the correct replacement filter for your 04-21 STI Turbo Kit Intake.

BMC Single Air Universal Conical Filter - 75mm Inlet / 165mm Filter Length

aFe MagnumFLOW OE Replacement Air Filter w/Pro Dry S Media 15-18 Mercedes C300 (L4-2.0L Turbo)

Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled performance filter is our highest flowing media for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for...

K&N Black Universal Air Filters are made from Dryflow oil-free synthetic media. These low restriction clamp-on air filters are designed and manufactured for a wide variety of applications. When dirty they can be easily washed using K&N synthetic air...