K&N Round Tapered Universal Air Filter 4 inch Flange 5 3/8 inch Base 4 inch Top 7 inch Height - RP-4970

The RP-4970 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight...

K&N Universal Air Filter - Round Tapered 4in Flange ID / 5.375in Base OD / 4in Top OD / 5.5in H - RP-4660

The RP-4660 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength and durability. The carbon fiber element adds to the...

K&N Universal Air Filter - Round Tapered 3.5in Flange ID / 5.5in Base OD / 4.5in Top OD / 6.5in H - RP-4630

The RP-4630 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a K&N embossed carbon fiber top for strength and durability. The carbon fiber element adds to the...

K&N Universal Round Tapered Carbon Fiber Air Filter 6in Flg ID Centered/7.5in B OD/4.5in T OD/4in H - RP-4600

The RP-4600 Universal Air Filter is constructed from an oiled cotton filter media. It comes with a carbon fiber top for strength and durability. The carbon fiber element adds to the light-weight...

K&N Universal CarbonFiber Filter 6in Flange / 7-1/2in OD-B / 5-1/8in OD-T / 5in H - RP-2960

K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...

K&N 18-19 Royal Enfield Continental GT650 Air Filter - RO-6518

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low...

K&N Replacement Air Filter - Round 3.969in ID x 5.25in OD x 3.125in H for 09-11 Royal Enfield Bullet - RO-5010

K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific application and are designed to provide low...

K&N 18-20 Royal Enfield Himalayan 411 Air Filter - RO-4118

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an...

K&N Replacement Air Filter 4in ID x 5.25in OD x 2in Height - RL-320B

K&N custom air cleaners are designed for use on older motorcycles. With proper carburetor calibration, these custom air cleaners can increase horsepower on your bike. Each custom air cleaner comes...

K&N Street Metal Intake System 2017 Harley Davidson Shaker Silver H/D Touring Models - RK-3956S

K&N Street Metal Air Intake Systems for Harley Davidson motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If...

K&N Street Metal Intake System 2017 Harley Davidson Shaker Black H/D Touring Models - RK-3956

K&N Street Metal Air Intake Systems for Harley Davidson motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High-Flow Air Filter and a high-volume cast aluminum housing. If...

K&N Street Metal Intake System - Shaker Touring 2017 Silver Intake System-Harley Davidson - RK-3955S

K&N Street Metal Air Intake Systems for Harley Davidson Dyna, Softail, Touring and Twin-Cam Model motorcycles increase power by eliminating the restrictive stock OE air cleaner and replacing it with...