Developed on our Dyno and tested extensively on the water, this waterbox features radiused exhaust tubes and dished end caps for optimum exhaust flow. Unique exhaust baffle design increases the low-end power and mid-range pull of your SPARK's 900cc engine. Delivers up to 5hp on modified engines along with significant torque gains. High-strength aluminum construction will survive backfires and meltdowns. A great add-on for RIVA Free Flow or Rear Exhaust Kits! Includes detailed installation instructions.
Key Features:
Delivers up to 5hp on modified craft.
Direct replacement for restrictive OEM waterbox.
Beaded inlet & outlet flanges for reliable coupler retention.
Radiused exhaust tubes & dished end caps.
Powder coated to prevent corrosion.