K&N Engineering

K&N Custom Air Filter Round 6.125in ID / 7.5in OD / 2.25 in Height

K&N off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude. Generally, no jet changes are required with...

K&N Custom Assembly Intake System for 08-13 Harley Davidson Touring Models - Large Capacity

The K&N RK-3930X Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. By utilizing the stock air cleaner cover, the factory look is retained. Built around...

K&N Custom Oval Air Filter 7.75in OW X 14.625in OL x 4in H

K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of...

K&N Custom Oval Race Filter 5-1/8in FLG / 9in OD x 3-3/8in HW/VENT

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...

K&N Custom Oval Race Filter L=7inch W=4inch H=3.25inch

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside where it...

K&N Custom Oval Race Filter Red 7in O/S L x 4.5in O/S W x 2in H

K&N Custom Air Filters for Weber 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. Show quality...

K&N Custom Oval Red Race Filter 7in L x 4-1/2in W 3-1/4in H

K&N Custom Air Filters for Weber 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. Show quality...

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

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 - Red - 5.875in OD x 4.875in ID x 1.75in H

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 1.375in Neck Flange - 2.25in Over Height

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside where it...

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

K&N Custom Air Filters for Single or Two Barrel Carburetors - K&N Custom Air Filter kits are designed to allow the maximum performance from your carburetors, yet keep the dirt on the outside where it...

K&N Custom Racing Assembly - SDR 6 Dia Stromberg 150 w/Vent

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...