K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design...

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means...

Product Details K&N intakes feature noticeable hp and tq gains while being simple to install and come with full installation instructions.  Features: Guaranteed to increase horsepower and torque Estimated 13.43 Hp @6000 RPM Roto-molded HDPE...

Hand-laid carbon fiber construction for light weight and dramatic style. The engineering team at ECS has spent countless hours in the development of our exclusive Kohlefaser Luft-Technik Intake Systems. These intakes are precision engineered using...

One of the easiest and best ways to upgrade the breathing abilities of the F2x N20-powered BMW is with a performance panel filter. We've developed our own range of MMX performance filters that easily drop into the OE airbox which provide excellent...

Looking for a simple, warranty-friendly upgrade for your M-Car? One of the easiest and best ways to upgrade the breathing abilities of your G-series S58-engined M2, M3 or M4 is with this pair of replacement performance Panel Air Filters.Allow your engine...

This is a performance enhancing induction kit for the 2021+ BMW M3 & M4 G80/G82 Competition S58. Features Improved throttle response Black powdercoated heat shield and inlet pipe Dyno results: max gains 12-14bhp (this may vary dependant on...

MST 2020 BMW M340i B58 3.0L Cold Air Intake System + Turbo Inlet (BW-B5802L) This is a performance enhancing induction kit for the BMW M340i 2020 B58 3.0L turbo & M240i G42 Features Improved throttle response Black powdercoated heat...