K&N Engineering

K&N Custom Air Filter 14in OD / 12in ID / 6in Height - E-3770

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 Custom Air Filter 6.25in OS Width / 9.688in OS Length / 2.188in Height - E-3333

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

K&N Custom Air Filter 7in OD X 5 1/2in ID x 2in H - E-3402

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 Custom Air Filter Cotton Guaze 14inOD x 12 1/4inID x 2inH - E-3032R

This K&N racing air filter is made with 2 layers of cotton and does not come oiled. It was designed to provide even lower air restriction than our replacement air filters for street vehicles. K&N...

K&N Custom Air Filter Round 2.875in ID x 3.875in OD x 2in Height - E-3120

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 Custom Air Filter Round 4.625in ID / 6in OD / 2.5in Height - E-3226

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 Custom Air Filter Round 5-3/8in OD x 4in ID x 2in H - E-3200

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 Custom Air Filter Round 5-7/8in OD x 4-7/8in ID x 1.4/5in H - E-3212

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 Custom Oval Air Filter 7.75in OW X 14.625in OL x 2in H - E-3515

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 Custom Oval Race Filter L=7inch W=4inch H=3.25inch - 56-1350

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N custom air filter kits are designed to boost performance from your carburetor while keeping the dirt on the outside where it belongs...

K&N Custom Racing Air Filter - Rectangular Carbon Fiber 4in Air Box w/ 2.75in Air Horn - 100-8593

Light weight yet durable, K&N's Generation 2 Carbon Fiber Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-lightweight carbon fiber these...

K&N Custom Racing Assembly - Round Tapered - Red 1.375in Neck Flange - 2.25in Over Height - 56-9320

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N custom air filter kits are designed to boost performance from your carburetor while keeping the dirt on the outside where it belongs...

K&N Custom Racing Assembly - Round Tapered - Red 1.656in Neck Flange - 2.25in Over Height - 56-9327

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N custom air filter kits are designed to boost performance from your carburetor while keeping the dirt on the outside where it belongs...

K&N Custom Racing Assembly Carbon Fiber 4in Air Box w/o Base - Large - 100-8591

Light weight yet durable, K&N's Sprint Car Style Air Boxes are a must for any racer currently using traditional multi-Siamese stacks. Constructed from ultra-light weight carbon fiber K&N's Sprint Car...

K&N Custom Racing Assembly Carbon Fiber Air Box - Large Solid Base Only - 100-8590

K&N's carbon fiber composites have an attractive cosmetic appeal, and the outstanding stiffness to weight ratio that is needed to stay competitive in today's racing industry. Carbon fiber composites...