{"product_id":"big-gun-evo-r-slip-on-muffler-yamaha-wr-450f-12-15","title":"Big Gun EVO R Slip On Muffler - Yamaha WR 450F (12-15)","description":"\u003cp\u003eThe EVO R series draws on Big Gun's rich heritage of making power. Offered for various off road MX and sport ATV models, the EVO R is a tried-and-true series that saves weight, adds noticeable performance gains, and sounds tremendously better than stock.\u003c\/p\u003e\n\u003cp\u003eFits: Yamaha WR 450F (12-15)\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHard anodized oval shaped aluminum muffler\u003c\/li\u003e\n\u003cli\u003eTIG welded reinforced muffler bracket(s)\u003c\/li\u003e\n\u003cli\u003e304 stainless steel mid pipe\u003c\/li\u003e\n\u003cli\u003eRed powder coated stainless steel end tip\u003c\/li\u003e\n\u003cli\u003eLighter than stock exhaust system\u003c\/li\u003e\n\u003cli\u003eHuge horsepower and torque gains\u003c\/li\u003e\n\u003cli\u003eSleek muffler design allows for maximum clearance\u003c\/li\u003e\n\u003cli\u003eRemovable screen-type spark arrestor included\u003c\/li\u003e\n\u003cli\u003eHandmade in the USA\u003c\/li\u003e\n\u003cli\u003e1 Year Limited Manufacturer's Warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eProper tuning (jetting or a fuel controller) is required to maintain warranty coverage after installing this exhaust.\u003c\/em\u003e\u003c\/p\u003e","brand":"Big Gun Exhaust","offers":[{"title":"Default Title","offer_id":47843488268437,"sku":"09-24532-WR","price":409.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0775\/3341\/3525\/files\/Screenshot2026-08-25150759_ffb01c07-ff96-4c64-9f19-200c7f6f7293.png?v=1787700219","url":"https:\/\/desertsource.com\/products\/big-gun-evo-r-slip-on-muffler-yamaha-wr-450f-12-15","provider":"Desert Source","version":"1.0","type":"link"}