RIVA Yamaha 1.8/1.9L SVHO/SHO/HO Pro-Series Waterbox
$469.95
Description
Developed on our in-house 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 Yamaha 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.
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.














