FACTORY EFFEX FX Grip Seat Cover - WR 250/450 06-24232 Yamaha Racer Long-Sleeve T-Shirt Side vent still serves as

Side vent still serves as an exhaust vent even when the front shutter is closed on the top duct

Features advanced acoustical tuning technologies for deep rumbling sounds 4" round muffler front expands to 4

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

Designed to be used with stock O2 sensors

FACTORY EFFEX FX Grip Seat Cover - WR 250/450 06-24232 Yamaha Racer Long-Sleeve T-Shirt Side vent still serves asEntire seat cover is covered with state of the art rubberized gripper material for superior control in the turns Triple stitched construction for durability and long life Locator pockets on nose and rear allow for easy installation