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       You are here: Home > Watercraft > Exhaust > Kawasaki > Free Flow Exhaust Kits > Ultra 260/250
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Riva Exhaust Reduction Coupler 2.5in~2.0in
Riva Exhaust Reduction Coupler 2.5in~2.0in
Our Price: $14.95

High-temp silicone reduction coupler allows RIVA Free Flow Exhaust Kit RK16090-08 to be used with the stock water box in `09 Ultra 260 & `08 Ultra 250.
RIVA Ultra 250X Free Flow Exhaust Kit
RIVA Ultra 250X Free Flow Exhaust Kit
Our Price: $199.95

Enables you to bypass or remove secondary muffler (weight savings of +10lbs) improving engine performance by reducing back pressure and harmful detonation. Mandrel bent aluminum exhaust tube is lightweight and powder coated to resist corrosion. Included billet exhaust tip (also sold separately) with laser etched graphics is anodized to prevent corrosion. High temperature silicone couplers included with detailed installation instructions.
Kawasaki Ultra 250 Free Flow Exhaust
Riva Free Flow Exhaust Kit - Kawasaki Ultra 300/260/250
Our Price: $259.95

High quality mandrel bent aluminum exhaust tube will survive meltdowns & backfires. Includes billet exhaust outlet with laser etched graphics that is anodized to prevent corrosion. High temperature silicone couplers included along with detailed installation instructions.

2011 Ultra 300: Replaces soft rubber exhaust hose with sturdy aluminum tubing. For maximum performance, use with RIVA Pro-Series Water Box (part# RK16091-1).

2010~08 Ultra 260/250: Replaces restrictive 1 3/4" rubber exhaust hose with large 2 1/4" aluminum tubing & outlet. For maximum performance, use with RIVA Pro-Series Water Box (part# RK16091). Can also be utilized with OEM water box using silicone reduction coupler (part# RK16090-08-ERC).