{"product_id":"speedwerx-l2-comp-series-muffler-ac858m-2","title":"SPEEDWERX L2 Comp Series Muffler AC858M-2","description":"\u003cp\u003eThe SPEEDWERX L2 Comp Series Muffler AC858M-2 is designed to be lighter and louder than the original lightweight muffler while maintaining performance at or above the stock system. It is made from mild steel and ceramic coated for a durable finish.\u003c\/p\u003e\u003cp\u003eThis muffler is designed to use the stock outlet location and requires no major chassis modifications for installation. Ceramic coating is included, and most SPEEDWERX mufflers come with installation instructions if needed.\u003c\/p\u003e\u003cp\u003eThe SPEEDWERX AC858M-2 fits select 2024 Arctic Cat M 858 Alpha One and 2025 Arctic Cat ZR 858 models, including listed 146-inch, 154-inch, 165-inch, 129-inch and 137-inch configurations. It is made in the USA.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWeight Savings: Designed to provide an 8–15 pound weight savings.\u003c\/li\u003e\n\u003cli\u003eLouder Design: Designed to be lighter and louder than the original lightweight muffler.\u003c\/li\u003e\n\u003cli\u003ePerformance Focus: SPEEDWERX mufflers are designed to perform the same as or better than the stock system.\u003c\/li\u003e\n\u003cli\u003eConstruction: Made from mild steel.\u003c\/li\u003e\n\u003cli\u003eCeramic Coating: Ceramic coated for a durable finish.\u003c\/li\u003e\n\u003cli\u003eInstallation Design: Utilizes the stock outlet location and requires no major chassis modifications for installation.\u003c\/li\u003e\n\u003cli\u003eFitment: Fits listed 2024 Arctic Cat M 858 Alpha One and 2025 Arctic Cat ZR 858 models.\u003c\/li\u003e\n\u003cli\u003eOrigin: Made in the USA.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nArctic Cat M 858 Alpha One 154\"  2024\u003cbr\u003e\nArctic Cat M 858 Alpha One 154\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Alpha One Sno Pro 146\"\/2.6\"  2024\u003cbr\u003e\nArctic Cat M 858 Alpha One Sno Pro 146\"\/3\"  2024\u003cbr\u003e\nArctic Cat M 858 Alpha One Sno Pro 154\"\/2.6\"  2024\u003cbr\u003e\nArctic Cat M 858 Alpha One Sno Pro 154\"\/3\"  2024\u003cbr\u003e\nArctic Cat M 858 Alpha One Sno Pro 154\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Alpha One Sno Pro 165\"\/2.6\"  2024\u003cbr\u003e\nArctic Cat M 858 Alpha One Sno Pro 165\"\/3\"  2024\u003cbr\u003e\nArctic Cat M 858 Mountain Cat 146\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat 154\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat 154\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat 165\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat ES 146\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat ES 154\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat ES 154\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat ES 165\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac 146\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac 154\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac 154\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac 165\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac ES 146\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac ES 154\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac ES 154\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Mountain Cat w\/ Atac ES 165\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Sno Pro 146\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Sno Pro 154\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Sno Pro 165\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Sno Pro ES 146\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Sno Pro ES 154\"\/2.6\"  2025\u003cbr\u003e\nArctic Cat M 858 Sno Pro ES 154\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat M 858 Sno Pro ES 165\"\/3.0\"  2025\u003cbr\u003e\nArctic Cat Riot 858 Sno Pro ES 146\"\/1.35\"  2025\u003cbr\u003e\nArctic Cat Riot 858 Sno Pro ES 146\"\/1.75\"  2025\u003cbr\u003e\nArctic Cat Riot 858 w\/ Atac 146\"\/1.35\"  2025\u003cbr\u003e\nArctic Cat Riot 858 w\/ Atac 146\"\/1.75\"  2025\u003cbr\u003e\nArctic Cat ZR 858 137\" ES  2025\u003cbr\u003e\nArctic Cat ZR 858 R-XC 137\"  2025\u003cbr\u003e\nArctic Cat ZR 858 Sno Pro 137\" ES  2025\u003cbr\u003e\nArctic Cat ZR 858 Sno Pro ES 129\"  2025\u003cbr\u003e\nArctic Cat ZR 858 W\/ Atac 129\" ES  2025\u003cbr\u003e\nArctic Cat ZR 858 W\/ Atac 137\" ES  2025","brand":"SPEEDWERX","offers":[{"title":"Default Title","offer_id":44619377442903,"sku":"AC858M-2","price":586.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/2276\/2583\/files\/9ac2-68556f8369d0b.png?v=1793939655","url":"https:\/\/valleyspeed.net\/en-us\/products\/speedwerx-l2-comp-series-muffler-ac858m-2","provider":"The Speed Shop Canada","version":"1.0","type":"link"}