RIVA Kawasaki Ultra Pro-Series Waterbox

SKU
RK16091-1

Developed on our inhouse Dyno and tested extensively on the water, this waterbox features radiused end caps & exhaust tubes 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.

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.

Additional Application Requirements:

  • 2014 & Newer Ultra 310: Eliminates restrictive 2nd waterbox. Requires RIVA Free Flow Exhaust Kit (part# RK16110) and coupler RK15-2.38/3.25.
  • 2011~13 Ultra 300: Direct replacement for original waterbox. Use with stock exhaust outlet hose or RIVA Free Flow Exhaust Kit (part# RK16090-08).
  • 2008~10 Ultra 260/250 models: Replaces restrictive original waterbox. Requires RIVA Free Flow Exhaust Kit (part# RK16090-08).
  • 2007 Ultra 250 models: Eliminates restrictive 2nd waterbox. Requires RIVA Free Flow Exhaust Kit (part# RK16090).

Note: Not designed for use with non-supercharged Ultra LX models.

$419.95

More Information

DealerID

RY

Brands

RIVA Racing

Width

13

Height

14

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