[Applicable models]
Yamaha GP1800 / VXR / VXS Models (2011-)
●Bypasses the resonator between the watercraft muffler and the water box to increase the exhaust efficiency. It reduces back pressure and harmful detonation, improving engine performance.
Mandrel-bent aluminum tubing that is powder-coated for corrosion protection.
A replacement coupler made of high temperature silicone is included.
