This modification delivers the maximum level of performance
(+6mph) through easily installed air intake and pump enhancements. No
internal engine modifications are required.
RIVA Performance Power Filter is installed. Power Filter
provides greatly improved acceleration and a 150~200rpm increase by
replacing restrictive stock intake system. Features a large 3" diameter
intake duct and oversized K&N filter element that feeds your
Supercharger with a steady diet of cool air. Installs quickly and
securely using a silicone coupler and sturdy bracket.
RIVA Top-Loader Intake Grate is installed. Our top-loader
intake grate features a unique tapered wing design that eliminates prop
spin and cavitation while delivering enhanced acceleration and 2mph
additional top-speed. deep side rails improve stability and handling.
Durable black race coating protects from corrosion.
Solas 'R'-Series Concord Impeller is a special performance
impeller offered exclusively by RIVA and RIVA authorized dealers. This
impeller is specifically pitched for our Stage 1 RXP-X package using a
pitch block to ensure accuracy. Billet impeller cone is included.
RIVA 2° Pump Wedge is installed. 2° wedge trims up your
pump nozzle raising the bow of your craft for less drag substantially
improving top-speed. Features a double-sided lip to retain silicone
sealant and prevent cavitation.
RIVA VTS Extension Rod is installed. Allows maximum "nozzle
down" adjustment after installation of RIVA Pump Wedge. Necessary with
Stage I modification to trim bow down off the line while providing
maximum top speed advantage when trimmed up.
RIVA Pro-Series Reduction Nozzle is installed. Replaces
original 87mm reduction nozzle allowing nozzle exit diameter to be
easily changed via interchangeable ring system. Includes three
stainless steel rings in graduated sizes (81, 82 & 83mm) to
compliment the impeller pitch in varying conditions maximizing top
speed and performance.
NOTE: Use of premium octane pump fuel (91+) is required.
NOTE: RIVA Performance Kits intended for competition use
only.