Riva Racing Free Flow Kit `08-13 Ultra All - RK16090-08

Replaces the restrictive sound suppression system located between the water box and hull exit on your watercraft. Improves engine performance by reducing back pressure and harmful detonation. Easy installation with noticeable results. Supplied Billet Exhaust Outlet also sold separately (part# RK16090-ET).

NOTE: `08 Models require RIVA Pro-Series Water Box (part# RK16091). IJSBA Limited & Superstock legal.