RIVA Yamaha 2008-11 FX-SHO, 2009-11 FX-HO & FZR/FZS Free Flow Exhaust Kit

Replaces the restrictive sound suppression system located between the waterbox and hull exit on your watercraft. Improves engine performance by reducing back pressure and harmful detonation. Includes mandrel bent aluminum tubing that is powder coated to prevent corrosion, high-temp silicone replacement coupler and installation instructions.