RIVA Yamaha Water Box SVHO/SHO/HO 1.8L

  • Model: RY16041


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 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 Benefits Include:

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

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