{"product_id":"mbrp-at-6406sp-sport-series-slip-on-exhaust-system-for-2002-2008-yamaha-yfm660f-grizzly","title":"MBRP AT-6406SP Sport Series Slip-On Exhaust System for 2002-2008 Yamaha YFM660F Grizzly","description":"CLEAN LOOKS AND A PERFORMANCE SOUND - MBRP SPORT SERIES, Quickly bolt on an MBRP Sport Series exhaust and enjoy the new deep tumble coming from your ATV or SXS. Slam the throttle for an aggressive sound, or cruise all day long without worrying about being obnoxious. This exhaust focuses on enjoying the trails and delivering a balanced tone.\nATV Exhaust System With Sport Muffler; Slip-On System; 1.75 in. Inlet; 4.25 in. Diameter Body; Chambered Muffler;\nChambered Muffler.\n\u003cul\u003e\n  \u003cli\u003eReliable and Dependable Chambered Design. Bolt-on Installation. Mild Exhaust Note.\u003c\/li\u003e\n  \u003cli\u003eSport Muffler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MBRP AT-6406SP Sport Series slip-on exhaust system delivers a clean appearance and balanced performance sound for select Yamaha YFM660F Grizzly 4x4 ATVs. Designed as a direct bolt-on upgrade, this ATV exhaust system produces a deeper, more aggressive tone under throttle while remaining comfortable for extended trail riding.\u003c\/p\u003e\u003cp\u003eFeaturing a chambered Sport muffler, the MBRP AT-6406SP is engineered for reliable service and straightforward installation. Its 1.75-inch inlet and 4.25-inch muffler body support a practical fit and performance-focused design without excessive noise. The chambered construction helps provide a mild exhaust note during normal cruising and a stronger sound when the throttle is opened.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Product Specifications \u0026amp; Technical Data:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: MBRP\u003c\/li\u003e\n\u003cli\u003ePart Number: AT-6406SP\u003c\/li\u003e\n\u003cli\u003eProduct Type: ATV slip-on exhaust system\u003c\/li\u003e\n\u003cli\u003eMuffler Style: Sport Series chambered muffler\u003c\/li\u003e\n\u003cli\u003eInlet Size: 1.75 inches\u003c\/li\u003e\n\u003cli\u003eMuffler Body Diameter: 4.25 inches\u003c\/li\u003e\n\u003cli\u003eInstallation: Bolt-on replacement system\u003c\/li\u003e\n\u003cli\u003eApplication: Yamaha YFM660F Grizzly 4x4\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e One MBRP Sport Series slip-on exhaust system with chambered Sport muffler. Installation hardware and components are supplied as applicable to the system design.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Fits 2002, 2003, 2004, 2005, 2006, 2007, and 2008 Yamaha YFM660F Grizzly 4x4 models. This product is not CARB approved; review applicable emissions regulations before installation. Professional installation is recommended if required by the vehicle or local regulations.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSport Muffler: Provides a deeper, balanced exhaust tone with an aggressive sound under throttle and a mild note during cruising.\u003c\/li\u003e\n\u003cli\u003eChambered Design: Supports dependable performance and a practical sound profile for recreational trail use.\u003c\/li\u003e\n\u003cli\u003eBolt-On Installation: Designed as a slip-on replacement for straightforward installation on compatible Yamaha Grizzly models.\u003c\/li\u003e\n\u003cli\u003eTrail-Focused Performance: Enhances exhaust character while maintaining a clean appearance and comfortable riding experience.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n2002 Yamaha YFM660F Grizzly 4x4 Base\u003cbr\u003e\n2003 Yamaha YFM660F Grizzly 4x4 Base\u003cbr\u003e\n2004 Yamaha YFM660F Grizzly 4x4 Base\u003cbr\u003e\n2005 Yamaha YFM660F Grizzly 4x4 Base\u003cbr\u003e\n2006 Yamaha YFM660F Grizzly 4x4 Base\u003cbr\u003e\n2007 Yamaha YFM660F Grizzly 4x4 Base\u003cbr\u003e\n2008 Yamaha YFM660F Grizzly 4x4 Base\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eAir Freight Prohibited: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eNot Carb Approved: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eCarb Acknowledgement Required: true\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eLtl Freight Required: false\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eProp 65: Y\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003ePart Type: powersports\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eEpa: N\/A\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eRegular Stock: t\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUnits Per Sku: 1\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"MBRP","offers":[{"title":"Default Title","offer_id":67597648789756,"sku":"AT-6406SP","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/9d320c14043b1628e96a8d0668e36158.jpg?v=1790581242","url":"https:\/\/diycustoms.store\/products\/mbrp-at-6406sp-sport-series-slip-on-exhaust-system-for-2002-2008-yamaha-yfm660f-grizzly","provider":"diycustoms.store","version":"1.0","type":"link"}