RIVA Racing’s Yamaha EX Stage 1 Kit delivers a huge performance gain with simple bolt-on modifications. Expect improved acceleration and a top speed increase of 5 MPH.
The Maptuner X programmer is utilized to reflash the original ECU (Engine Control Unit) for added performance. The MaptunerX Bundle delivers instant plug-in horsepower. Quickly and easily load the Stage 1 performance tune into the Yamaha ECU, eliminating the need to ship out your ECU for programming. There is no limit to the number of vehicles or tunes you can reflash with the MaptunerX. Simply purchase one additional tuning license for each vehicle that you would like to program. The MaptunerX features a full color, touch screen display for easy operation and includes full access to RIVA’s World Famous Tuning Library along with unmatched technical support. Easily switch between performance tunes and then back to stock settings if you wish.
The RIVA EX Performance Power Filter is installed. Kit replaces restrictive factory intake system delivering improved throttle response and top-speed.
The RIVA EX Free Flow Exhaust Kit replaces restrictive sound suppression system located between water box and hull exit reducing back pressure and engine operating temperatures.
Solas YJ-CD-12/17 Concord Impeller features a new design with a large blade area and superior hub design that deliver increased acceleration and top speed. Billet nose cone included.
Link: RIVA Racing