TWIN AIR Replacement Backfire Filter 154218FR Exhaust GMS Cat Elim with included

GMS Cat Elim with included sound insert at Idle 82db GMS Full System with included sound insert at 5000 rpm 92db

Graves Motorsports Yamaha YZF-R3 Steering Damper Mount

5 to 1 Optional camshaft kit can be used with stock engine

The silencer is supported with an Aluminum bracket machined 6061 T651 and hard anodized for long life

TWIN AIR Replacement Backfire Filter 154218FR Exhaust GMS Cat Elim with included2 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,