TWIN AIR Air Filter - DRZ400 153156FR Air Filter Dust Cover Combined with Graves’ exclusive flash

Combined with Graves’ exclusive flash tune map this system produces huge mid-range and top horsepower gains

Part#:255-013-030-020

works velocity stacks and ecu)

With RadiusX

A United States Forest Service approved spark arrestor comes equipped making it easy to alternate between off-road and closed-course racing

TWIN AIR Air Filter - DRZ400 153156FR Air Filter Dust Cover Combined with Graves’ exclusive flash2 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 airbox4 stroke kit replaces the air restricting stock backfire screen with a special backfire resistant layer of foam laminated to the inside Airbox kits include a complete airbox that increases the volume of the intake, wash plug, cage and all mounting hardware Includes a rigid,