E721 Black Machined Face 22in Staggered Set 9.5 ET40 / 10.5 ET35 5.120 (4 Wheels) Maybach The K&N replacement air filter

The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration

Large Three Layer Performance Air Filter: This 7” tall 360-degree radial flow air filter features a 3-1/2" flange and our oil-free Pro DRY S media with three layers of synthetic media for maximum convenience

Constructed with a cotton gauze filter media it can be cleaned and reused repeatedly

Dual-Pass Cores are 28% larger than the factory coolers and offer significant reductions in IATs at increased boost levels

E721 Black Machined Face 22in Staggered Set 9.5 ET40 / 10.5 ET35 5.120 (4 Wheels) Maybach The K&N replacement air filterE721 Black Machined Face Staggered Set designed for a clean, premium OEM style look with modern aftermarket presence. Popular OEM style look for Euro platforms including BMW, Mercedes Benz, Audi, Volkswagen (VW), and Porsche (verify fitment before purchase). Note: Fitment depends on your exact vehicle, brakes, suspension, and offset requirements. If you need help confirming fitment, message us with year make model and current setup. Diameter: 22"