Performance Parts & More

Air Filter Accessories

Air Filter Accessories

K&N offers an assortment of carburetor adapter flanges, hose connectors, washers, mass air sensor weld-on adapters and other air filter accessories.
Air/Fuel Ratio Monitors

Air/Fuel Ratio Monitors

K&N Air / Fuel Monitors help performance enthusiasts calibrate an optimum air/fuel mixture ratio for power, economy and/or improved drivability. They will work on carbureted, fuel injected, supercharged or turbocharged engines using unleaded gasoline, alcohol, propane or nitrous oxide.
K&N Apparel

K&N Apparel

K&N's premium apparel line uses high quality fabric and materials. K&N t-shirts use a high quality cotton weave that makes them so comfortable you will forget about your favorite shirt. K&N t-shirts come in sizes from small to XXL and a few styles come in 3XL. They make great gifts as do the fleece pullovers, hats, and tops for the ladies.
Carbon Fiber Composites

Carbon Fiber Composites

K&N's Carbon fiber composites have attractive cosmetic appeal and the outstanding stiffness to weight ratio that is needed to stay competitive in today's racing industry. K&N manufactures carbon fiber air filter assembly lids, carbon fiber air filter tops, carbon fiber hood scoops for racing and lightweight carbon fiber universal air box assemblies which are a must have for racers using traditional multi-siamese stacks.
Filter Minder Air Restriction Gauge

Filter Minder Air Restriction Gauge

The Filter Minder is an air filter service indicator that monitors air filter restriction and indicates when the air filter should be serviced.
Plenums & Weber Carburetor Adapter

Plenums & Weber Carburetor Adapter

K&N Plenums can be used with hose to feed cooler outside air into the engine. K&N carburetor adapters for Weber carburetors allow many more air filter assembly options.
Promotional

Promotional

K&N Promotional Items include Hats, Decals, Posters, Displays, Patches, Hitch Covers, Catalogs, Signs, Brochures, Media Kits, and more.
Stubstacks

Stubstacks

K&N Stubstacks are designed to increase the airflow of carburetors by decreasing restriction around the choke horn.
Velocity Stack Air Filter Adapter

Velocity Stack Air Filter Adapter

K&N's Velocity Stack Air Filter Adapter fits 41MM Keihin CR Flat Slide Carburetors.