Graves motorsports ninja ex400 smog block off plates EVO Series Shroud Graphic Kit Muffler body is constructed to

Muffler body is constructed to prevent blueing

Fitment: Yamaha YXZ 1000r (All) 2016 - 2023

Galespeed Rear Wheel: 9

Graves Motorsports Yamaha WR250R + WR250X Hi-Flo Exhaust Insert

Graves motorsports ninja ex400 smog block off plates EVO Series Shroud Graphic Kit Muffler body is constructed toGraves Motorsports Smog Block Off Plate for Kawasaki Ninja EX400. The Graves Motorsports Smog Block Off Plate is designed to seal off the port on the valve cover used by the air injection system (a. k. a smog pumps or AIS). This product is intended for closed course competition use only. Use of this product for any other purpose is strictly prohibited. Fitment: Kawasaki Ninja EX400 2018 + The air induction system (AIS) burns unburned exhaust gases by