Name: RIVA Kawasaki Ultra Waterbox
Brand: Riva Racing
SKU: RK16091-1
Price: 419.95 USD
Availability: InStock
Rating: 3 (1 reviews)

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RIVA Kawasaki Ultra Waterbox

RK16091-1

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$419.95

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Description
Compatibility

Developed on our Dyno and tested extensively on the water, this waterbox 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: 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.

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.