SeaDoo SPARK 2-Up 3-Up RIVA Performance Water Box Kit RS16131 Waterbox 900cc

• 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. 

• Developed on our Dyno and tested extensively on the water, this water box features radiused exhaust tubes and dished end caps for optimum exhaust flow. 

• Recommended for use with RIVA Free Flow Exhaust Kits or RIVA Rear Exhaust Kits. Includes detailed installation instructions.
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Key Features:

• Delivers up to 5hp on modified craft.
• Direct replacement for restrictive OEM water box.
• Beaded inlet & outlet flanges for reliable coupler retention.
• Radiused exhaust tubes & dished end caps.
• Powder coated to prevent corrosion.