STX-15F STX-12F R&D AQUEVEIN INTAKE GRATE 111-15001 The new R&D STX 15F Aquavein Intake Grate will reduce cavitation while increasing overall handling, straight line stability and top speed performance. The R&D Aquavein Grate will keep the 15F's pump loaded and hooked up, increasing rough water top speed averages 2-3 mph! R&D HIGH PERFORMANCE FLAME ARRESTOR KIT 215-15010 The new R&D F12 / F15 Power Plenum Air Filter Kit delivers a noticeable increase in throttle response and acceleration, as well as increase RPM’s between 50 and 100! R&D Power Plenum Filter Kits have been dyno tested and race proven to add 3 to 5 horsepower on stock four stroke engines! The R&D F12 / F15 Power Plenum Filter Kit gives the F12 / F15 engine a high performance racing look, sound, and performance without sacrificing an ounce of reliability! Nothing outperforms the Power Plenum! R&D OEM REPLACEMENT PERFORMANCE FILTER 215-15000 The new R&D Performance Filter replaces the stock restrictive perforated filter plate and allows for improved airflow. Mounts directly into the stock filter box and retains the OEM look. The improved airflow increases throttle response, RPM, and top speed. R&D RIDEPLATE 121-15100 Ride Plate 121-15011 Reverse Gate Hardware Kit The new R&D Ride Plate for the Kawasaki F12/F15 is now available. The cast aluminum design is a direct replacement that improves handling and adds up to 3 mph of top end speed. Optional reverse gate hardware kit available.