Replaces the restrictive sound suppression system on GP1300Rs. Improves engine performance by reducing back pressure and harmful detonation. Easy installation requires no cutting of hoses. IJSBA Limited & Superstock legal....

Designed to increase air flow to your engine to produce more horsepower. Stainless steel-capped, screen=type flames arrestor built to RIVA's specifications by K&N fits directly onto inlet of OEM air box. Key Features: Increases airflow and power Mounts directly onto original flame arres...

Our race proven Performance Ride Plate increases top speed and reduces porpoising on all GPR models. Provides quicker planing and improved handling. Designed to accept factory speedo sensor. Durable race coating protects from corrosion. IJSBA Race Legal. Key Features: Designed to fit all G...

Our Fuel Pressure Regulator Kit provides the precision pressure control necessary to complement aftermarket ECU and reflashed OEM ECU applications on the 1.8L HO, SHO and SVHO engine. Kit is fully assembled & mounts securely on top of fuel tank via sturdy aluminum bracket. High quality billet pressu...

Our precision machined Billet Driveshaft Sleeve is a direct replacement for the thin factory rubber hose that is prone to distortion and failure. Sleeve is constructed of 6061 aluminum and is anodized to prevent corrosion. Kit includes high quality silicon couplers and stainless steel clamps. This u...

Our all new 'GEN-2' GP1800 Ride Plate delivers the perfect balance of increased top speed and improved handling in a variety of water conditions. Race bred design features deep center skeg and channels for excellent traction in turns with improved straight line stability. Extended length and trim an...

These covers are hand made in the USA with the finest materials including Ballistic Nylons, Ultra-Grade Marine Vinyl, plus Jettrim's exclusive Nada-Hyde, Non-Slip Traction Material....

The ultimate racing and recreation covers for your Yamaha GP1800 or VXR Watercraft. These covers are made with the finest materials including Ballistic Nylons, Ultra-Grade Marine Vinyl, plus Jettrim's exclusive Nada-Hyde, Non-Slip Traction Material. Available in a variety of colors to match your wat...

These covers are hand made in the USA with the finest materials including Ballistic Nylons, Ultra-Grade Marine Vinyl, plus Jettrim's exclusive Nada-Hyde, Non-Slip Traction Material....

Replaces the restrictive sound suppression system located between the waterbox and hull exit on your watercraft improving engine performance by reducing back pressure and harmful detonation. Made from mandrel bent aluminum tubing, bead rolled on the ends to secure couplers, and powder coated to prev...