Improves engine performance by reducing back pressure and harmful
detonation. Replaces the restrictive secondary water box located between
the primary water box and hull exit on your watercraft. High quality
aluminum exhaust tube will survive meltdowns & backfires. The
mandrel bent tubing is powder coated to prevent corrosion. Features
billet exhaust outlet with laser etched graphics that is anodized to
prevent corrosion. Includes high temperature silicone couplers along
with detailed installation instructions.
Key Features:
Delivers performance and cutting edge style.
Improves reliability by replacing soft rubber exhaust hoses.
Reduces back pressure and heat.
Aluminum tubing is powder coated to prevent corrosion.
Includes billet exhaust outlet.
Enables you to remove secondary muffler (weight savings of 10+lbs.)
2010~08 Ultra 260/250:
Replaces restrictive 1 3/4" rubber exhaust hose with large 2 1/4"
aluminum tubing & outlet.
RIVA WATER BOX:
Developed on our Dyno and tested extensively on the water, this water
box features radiused exhaust tubes and end caps for optimum exhaust
flow. Unique exhaust baffle will increase the low-end power and
mid-range pull of your Kawasaki Watercraft. Delivers up to 15hp on
modified engines along with significant torque gains. High-strength
aluminum construction will survive backfires and meltdowns. Powder
coated to prevent corrosion. A must for modified motors. Includes
detailed installation instructions.
2014 & Newer Ultra 310: Direct replacement for original water box.
Requires RIVA Free Flow Exhaust Kit (part# RK16110) and coupler
RK15-2.38/3.25.