RPM Sport Slip-On Exhaust - Yamaha Grizzly/Kodiak The RPM Yamaha Grizzly/Kodiak Sport Muffler looks as good as it performs! This extremely light weight 3/4 slip on system provides a deep, aggressive, sport exhaust tone specifically built and designed for the 550 & 700CC platform. The RPM muffler is internally baffled acting as a single chambered muffler. In addition to sounding amazing this muffler drastically cuts weight while still remaining durable due to its stainless steel, fully tig welded structure. Included is a removeable quiet core insert as well as all hardware needed for a easy bolt on installation. NO Tuning Required Internally Baffled Only 10.2Lbs! 15% Exhaust Flow Increase 3-5HP Increase Direct Slip On Replacement Stainless Hardware Included Polished, 304 Stainless Steel, Tig Welded Construction. Removable Quiet Core Included! RPM Yamaha Grizzly/Kodiak Sport Slip-On Exhaust Decibel Readings: Idle: 74 4K RPM: 89 Fitment: 2008-2014 Yamaha YFM550 Grizzly 2007-2023 Yamaha YFM700 Grizzly 2016-2023 Yamaha YFM700 Kodiak