RIVA Kawasaki Free Flow Exhaust Kit, 2003-08 STX-F, 2007-08 Ultra 250X/LX

Enables you to bypass or remove secondary muffler (weight savings of +10lbs) improving engine performance by reducing back pressure and harmful detonation. Mandrel bent aluminum exhaust tube is lightweight and powder coated to resist corrosion. High temperature silicone couplers included with detailed installation instructions.