Description
WATER BOX
Developed on our Dyno and tested extensively on the water, this water box features radiused exhaust tubes and end caps for optimum exhaust flow. Unique exhaust baffle will increase the low-end power and mid-range pull of your Kawasaki Watercraft. Delivers up to 15hp on modified engines along with significant torque gains. High-strength aluminum construction will survive backfires and meltdowns. Powder coated to prevent corrosion. A must for modified motors. Includes detailed installation instructions.
2014 & Newer Ultra 310: Direct replacement for original water box. Requires RIVA Free Flow Exhaust Kit (part# RK16110) and coupler RK15-2.38/3.25.
2011~13 Ultra 300: Direct replacement for original water box. Use with stock exhaust outlet hose or RIVA Free Flow Exhaust Kit (part# RK16090-08).
2008~10 Ultra 260/250 models: Direct replacement for original water box. Requires RIVA Free Flow Exhaust Kit (part# RK16090-08).
2007 Ultra 250 models: Direct replacement for original water box. Requires RIVA Free Flow Exhaust Kit (part# RK16090).
