Powerflow Kit
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
Kit for YZ450F 10-13 also includes a complete airbox that increases the volume of the intake along with wash plug, cage and all mounting hardware
