This modification utilizes the stock exhaust system and flame arrestor case. Original air filter element is replaced with RIVA FX Power Filter providing increased airflow to throttle bodies allowing the engine to produce more power.

RIVA FX Velocity Stack Kit is installed. Kit replaces restrictive factory stacks delivering improved throttle response and top-speed. Installs easily with provided set-screw's that lock onto throttle bodies.

RIVA FX Free Flow Exhaust Kit is installed. Kit replaces restrictive sound suppression system located between waterbox and hull exit reducing backpressure and engine operating temperatures.

RIVA / Solas DynaFly Impeller is installed (see listing below). This impeller was specifically designed for the FX to provide increased acceleration and top-speed. Billet Impeller Cone is included.

RIVA FX-HO Performance Ride Plate and FX Top-Loader Intake Grate are installed. Our ride plate and intake grate combo increase top speed and reduce cavitation. Handling characteristics are significantly enhanced including the elimination of low speed hunting.

RIVA FX Pump Seal Kit is installed. Location specific molded inserts are siliconed into the voids of the OE pump inlet shoe significantly reducing cavitation.

RIVA FX Pro-Series Adjustable Sponsons are installed. Sponsons dramatically improve handling and responsiveness of the craft with a superior blade design and mounting plate angle. Sponson depth is adjustable to accommodate riding style.