RIVA Yamaha GP1800, 2016+ VX HO (1.8/1.9L) & 2015+ VXR/VXS Rear Exhaust Kit

RIVA Yamaha GP1800, 2016+ VX HO (1.8/1.9L) & 2015+ VXR/VXS Rear Exhaust KitOur Rear Exhaust Kit for Yamaha GP1800, 2016 & newer VX HO (1. 8 1. 9L) and 2015 & newer VXR VXS (1. 8L) delivers performance and cutting edge style. Allows for removal of restrictive sound suppression system located between waterbox and hull exit. Improves engine performance by reducing back pressure and restriction. Includes mandrel bent aluminum exhaust tube that is powder coated to prevent corrosion, large billet through hull exhaust outlet,

Precision-formed intake duct channels cool air from original hull vents to airbox

A must for modified motors

RIVA Vacuum Port Adapter Kit

JetX tunes for the Yamaha GP1800R supplied by Riva performance tune is backed by Jet X Powersports

Requires modifications to fuel delivery system to match increased horsepower

Note: Fits RIVA 'GEN-2' Top-Loader Intake Grate only

water conditions and type of fuel

one of the best watercraft performance shops in Canada

OEM exhaust outlet block-off and high quality silicone couplers along with all necessary mounting hardware & installation instructions

model performance tune is backed by Jet X Powersports

this waterbox features radiused exhaust tubes and end caps for optimum exhaust flow

NOTE: Requires Engine Cooling Upgrade Kit (part# RY10081-ECUK-PC)