TWIN AIR BACKFIRE FILTER YAMAHA MULTI FIT TWIN AIR

2-stroke kits include a Twin Air filter and a rigid, lightweight, billet aluminum cage that replaces the flimsy plastic stock cage and provides a tight seal to the airbox

4-stroke kit replaces the air-restricting stock backfire screen with a screen that has a special backfire-resistant layer of foam laminated to the inside

Includes a rigid, lightweight billet aluminum cage

Latest kit for YZ450F also includes a complete airbox that increases the volume of the intake; also includes wash plug, cage and all mounting hardware