Fitment: (2005-2006) Arctic Cat M5, (2005-2011) Arctic Cat M6 EFI, (2005-2006) Arctic Cat M7 EFI / Carb, (2007-2009) Arctic Cat M8 EFI / Crossfire 800 EFI / Sno Pro, (2007-2009) Arctic Cat Crossfire 500 EFI, (2007-2011) Arctic Cat Crossfire 600 EFI Sno Pro. Lightweight muffler with a trail tuned muscle sound. Neighbour friendly and in most applications will meet SAE J2567 stationary test of 88 db, 4 meters away. System fits securely in the original location using stock mounts and is guaranteed to provide performance levels as good as or better than stock. GGB Trail mufflers are specifically designed for use in populated areas and where sound levels are strictly enforced. Sound level increase over stock: (dbA) Idle + 3-6 / Under load + 3-6. Features: Increased throttle response, Aggressive exhaust note, Huge weight savings, No fuel mods, Simple install, Secure fit.