Kawasaki Ultra 310X Jet Ski RIVA Pro-Series Water Box Add HP & Torque RK16091-1

KAWASAKI ULTRA 310X RIVA 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 use of RIVA Free Flow Exhaust Kit RK16110 and coupler RK15-2.38/3.25.

FITS: 2014+ ULTRA 310X

Key Features:

• Delivers up to 15hp on modified craft.
• Machined hose flanges for reliable coupler retention.
• Radiused exhaust tubes & end caps.
• Powder coated to prevent corrosion.