2025-2026 Arctic Cat 858 Catalyst Snowmobile - GGB Exhaust

Upgrade your sled with the GGB Mountain Muffler featuring a super lightweight straight-through design and aggressive race-inspired exhaust tone. Built for riders who want maximum sound and performance, this muffler delivers improved throttle response, major weight savings, and a secure stock-mount fit. No fuel or clutch modifications required. Easy to install and engineered to perform as good as or better than stock. Designed for mountain and open-area riding where louder sound levels are acceptable.

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