The SPEEDWERX AC858M-CC Lightweight Muffler is designed for select 2024 Arctic Cat M 858 Alpha One and Sno Pro models, along with select 2025 Arctic Cat ZR 858 models. It is engineered to reduce weight while keeping sound levels as low as possible, delivering more bark than stock units without becoming excessively loud.
Built with performance in mind, this SPEEDWERX muffler is designed to perform the same as or better than the stock system. It utilizes the stock outlet location and requires no major chassis modifications for installation. The muffler is ceramic coated, and most mufflers come with installation instructions if needed.
Made in the USA, the SPEEDWERX AC858M-CC can cut anywhere from 3 to 12 pounds, depending on the application. Confirm the listed vehicle fitment before ordering to ensure this muffler is appropriate for your Arctic Cat 858 model.
Features:
- Weight Reduction: Designed to cut anywhere from 3 to 12 pounds.
- Sound Control: Provides more bark than stock units while avoiding an excessively loud sound.
- Performance: Designed to perform the same as or better than the stock system.
- Installation: Uses the stock outlet location and requires no major chassis modifications.
- Construction: Ceramic coated for added durability.
- Made in the USA: Manufactured in the United States.
Fitment:
2024 Arctic Cat M 858 Alpha One 154"
2024 Arctic Cat M 858 Alpha One Sno Pro 146"/2.6"
2024 Arctic Cat M 858 Alpha One Sno Pro 146"/3"
2024 Arctic Cat M 858 Alpha One Sno Pro 154"/2.6"
2024 Arctic Cat M 858 Alpha One Sno Pro 154"/3"
2024 Arctic Cat M 858 Alpha One Sno Pro 165"/2.6"
2024 Arctic Cat M 858 Alpha One Sno Pro 165"/3"
2025 Arctic Cat M 858 Alpha One 154"/3.0"
2025 Arctic Cat M 858 Alpha One Sno Pro 154"/3.0"
2025 Arctic Cat M 858 Mountain Cat 146"/2.6"
2025 Arctic Cat M 858 Mountain Cat 154"/2.6"
2025 Arctic Cat M 858 Mountain Cat 154"/3.0"
2025 Arctic Cat M 858 Mountain Cat 165"/3.0"
2025 Arctic Cat M 858 Mountain Cat ES 146"/2.6"
2025 Arctic Cat M 858 Mountain Cat ES 154"/2.6"
2025 Arctic Cat M 858 Mountain Cat ES 154"/3.0"
2025 Arctic Cat M 858 Mountain Cat ES 165"/3.0"
2025 Arctic Cat M 858 Mountain Cat w/ Atac 146"/2.6"
2025 Arctic Cat M 858 Mountain Cat w/ Atac 154"/2.6"
2025 Arctic Cat M 858 Mountain Cat w/ Atac 154"/3.0"
2025 Arctic Cat M 858 Mountain Cat w/ Atac 165"/3.0"
2025 Arctic Cat M 858 Mountain Cat w/ Atac ES 146"/2.6"
2025 Arctic Cat M 858 Mountain Cat w/ Atac ES 154"/2.6"
2025 Arctic Cat M 858 Mountain Cat w/ Atac ES 154"/3.0"
2025 Arctic Cat M 858 Mountain Cat w/ Atac ES 165"/3.0"
2025 Arctic Cat M 858 Sno Pro 146"/2.6"
2025 Arctic Cat M 858 Sno Pro 154"/2.6"
2025 Arctic Cat M 858 Sno Pro 165"/3.0"
2025 Arctic Cat M 858 Sno Pro ES 146"/2.6"
2025 Arctic Cat M 858 Sno Pro ES 154"/2.6"
2025 Arctic Cat M 858 Sno Pro ES 154"/3.0"
2025 Arctic Cat M 858 Sno Pro ES 165"/3.0"
2025 Arctic Cat Riot 858 Sno Pro ES 146"/1.35"
2025 Arctic Cat Riot 858 Sno Pro ES 146"/1.75"
2025 Arctic Cat Riot 858 w/ Atac 146"/1.35"
2025 Arctic Cat Riot 858 w/ Atac 146"/1.75"
2025 Arctic Cat ZR 858 137" ES
2025 Arctic Cat ZR 858 R-XC 137"
2025 Arctic Cat ZR 858 Sno Pro 137" ES
2025 Arctic Cat ZR 858 Sno Pro ES 129"
2025 Arctic Cat ZR 858 W/ Atac 129" ES
2025 Arctic Cat ZR 858 W/ Atac 137" ES
