RPM Yamaha Grizzly Kodiak 550/700 Sport Muffler

RPM Sport Slip-On Exhaust - Yamaha Grizzly/Kodiak

Look as good as you perform with RPM’s Stainless Steel Sport Slip-On Exhaust for the Yamaha Grizzly and Kodiak! Engineered specifically for Yamaha’s 550cc and 700cc single-cylinder utility ATV platforms, this lightweight 3/4 slip-on system delivers a deep, aggressive sport exhaust tone while unlocking noticeable performance gains across the entire powerband.

Featuring an internally baffled single-chambered design, this muffler eliminates restrictive factory baffling to provide a 15% increase in exhaust gas flow, resulting in a proven 3-5 horsepower increase. Constructed entirely from 100% TIG-welded, mirror-polished 304 stainless steel, the RPM Sport Muffler drastically cuts machine weight down to just 10.2 lbs while offering incredible resistance against corrosion, mud, and trail abuse.

Every system includes a removable quiet core insert—allowing you to easily dial back the sound level whenever desired—and ships with all necessary stainless steel mounting hardware for a quick, hassle-free bolt-on installation with zero ECU tuning required!

Decibel Ratings & Performance Metrics:

• Power Gain: +3 to +5 HP Increase

• Exhaust Flow Increase: +15% over stock muffler

• Total System Weight: 10.2 lbs

• Sound Output (With Included Insert): 74 dB @ Idle / 89 dB @ 4,000 RPM

Features:

• 3–5 HP Performance Increase: Optimizes backpressure and exhaust velocity to deliver immediate gains in throttle response and mid-range pulling power.

• 15% High-Flow Exhaust Velocity: Single-chambered internal baffle design flows 15% more exhaust volume than restrictive factory mufflers.

• Aggressive Sport Exhaust Tone: Produces a deep, satisfying single-cylinder exhaust note without harsh high-RPM rasp.

• Polished 304 Stainless Construction: Mirror-polished 304 stainless steel with 100% TIG welds for long-lasting durability in mud, water, and snow.

• Includes Removable Quiet Core: Comes equipped with a removable quiet core insert to tone down decibel levels for stealthy trail or hunting use.

• Direct Bolt-On Fitment: Mounts directly as a 3/4 slip-on replacement utilizing factory mounting points and included stainless hardware.

• Zero Tuning Required: Bolt-on design runs cleanly on factory ECU calibrations without requiring an aftermarket fuel tuner.

What's Included:

• (1) RPM SXS Polished 304 Stainless Steel Sport Muffler Assembly

• (1) Removable Quiet Core Insert

Fitment:

Direct 3/4 slip-on replacement across the following Yamaha 550cc and 700cc ATV models:

• Yamaha YFM550 Grizzly (All Models & Trims): 2008–2014

• Yamaha YFM700 Grizzly (All Models & Trims): 2007–2026

• Yamaha YFM700 Kodiak (All Models & Trims): 2016–2026