K & N Air Filter Assembly - Twin Cam - 2-1/4" RK-3910-1 Toddler Yamaha Pit Crew T-Shirt DB @ 5000 RPM =

DB @ 5000 RPM = 112 DB

ultra-strong Aramid fiber cord (S-Compound and E-Compound models) can handle/carry more than 10

Note: Updated Kits include multiple spacers to get any frame configuration listed below

Eco-Pure interior pad for Arai Corsair-X

Starts with a 4-inch muffler body

K & N Air Filter Assembly - Twin Cam - 2-1/4" RK-3910-1 Toddler Yamaha Pit Crew T-Shirt DB @ 5000 RPM =Oversized black powder coated aluminum backing plate provides solid mounting Fits behind the OE air cleaner cover maintaining the factory appearance Replaces the stock air filter and cleaner backing plate assembly Washable, oversized K&N high flow air filter equals longer life Dyno tuned velocity stack directs airflow to engine Built in breathers replace external OE breathers Guaranteed increase in horsepower Does not include cover Made in the U. S. A.