GGB Exhaust - 2025 Arctic Cat 858 Catalyst Mountain Can

    2025 Arctic Cat 858 Catalyst Mountain Muffler Fits: 2025 M858 Alpha One/M858 Mountain Cat /ZR 858/Riot 858 Stock Muffler: 18.30 lbs GGB Mountain: 4.80 lbs Weight Savings: 13.5 lbs Mountain Muffler Aggressive sound This muffler is a super lightweight, straight through flow design with an aggressive exhaust note. Sound levels would be considered as "Race" type are very loud when on the throttle. System fits securely in the stock location using stock mounts and is tested and guaranteed to provide performance levels as good as or better than stock. GGB Advantage: Performance Guarantee Increased throttle response Aggressive exhaust note Huge weight savings No fuel mods Simple install Secure fit Fuel and clutching mods are not necessary prior to installation. GGB two stroke mufflers are flow benched developed for back pressure against the stock muffler and will perform efficiently in any application where the stock muffler would be used. GGB Mountain mufflers are designed to be us