{"product_id":"mbrp-at-6404sp-sport-series-slip-on-exhaust-system-with-sport-muffler-for-1998-2001-yamaha-grizzly-600","title":"MBRP AT-6404SP Sport Series Slip-On Exhaust System with Sport Muffler for 1998-2001 Yamaha Grizzly 600","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, Increased Flow.\u003c\/li\u003e\n  \u003cli\u003eSport Muffler\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MBRP AT-6404SP Sport Series Slip-On Exhaust System delivers a clean appearance, improved exhaust flow, and a balanced performance tone for select Yamaha Grizzly 600 models. Designed as a bolt-on ATV exhaust upgrade, this system produces a deeper, more aggressive sound under throttle while remaining comfortable for extended trail riding and recreational use.\u003c\/p\u003e\n\u003cp\u003eFeaturing a reliable chambered muffler design, the MBRP Sport Series system is engineered for dependable performance and straightforward installation. The 1.75-inch inlet and 4.25-inch muffler body support efficient exhaust flow, while the Sport muffler provides a controlled exhaust note that is more engaging than stock without being unnecessarily loud. Its slip-on configuration makes it a practical choice for riders seeking a performance-focused replacement or upgrade.\u003c\/p\u003e\n\u003cp\u003eThe MBRP AT-6404SP fits 1998, 1999, 2000, and 2001 Yamaha YFM600FW Grizzly 4x4 models. This product is intended for off-road powersports applications. Verify vehicle compatibility before installation, and review applicable emissions requirements for your area. Installation hardware and components supplied by MBRP should be inspected before use, and all connections should be checked after installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e MBRP AT-6404SP Sport Series slip-on exhaust system, Sport chambered muffler, and required system components for bolt-on installation.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChambered Muffler: Provides a dependable exhaust design with a balanced, mild performance tone.\u003c\/li\u003e\n\u003cli\u003eSport Series Sound: Delivers a deeper, more aggressive exhaust note under throttle while remaining suitable for all-day trail riding.\u003c\/li\u003e\n\u003cli\u003eSlip-On Installation: Bolt-on configuration simplifies installation and allows a practical upgrade from the factory exhaust system.\u003c\/li\u003e\n\u003cli\u003eImproved Exhaust Flow: The 1.75-inch inlet and 4.25-inch muffler body support increased flow for responsive ATV performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitments:\u003cbr\u003e\n1998 Yamaha YFM600FW Grizzly 4x4 Base\u003cbr\u003e\n1999 Yamaha YFM600FW Grizzly 4x4 Base\u003cbr\u003e\n2000 Yamaha YFM600FW Grizzly 4x4 Base\u003cbr\u003e\n2001 Yamaha YFM600FW 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":67597655310588,"sku":"AT-6404SP","price":314.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0641\/6518\/3740\/files\/9e549c163e3fca656aae1180deddc4b9.jpg?v=1790581263","url":"https:\/\/diycustoms.store\/products\/mbrp-at-6404sp-sport-series-slip-on-exhaust-system-with-sport-muffler-for-1998-2001-yamaha-grizzly-600","provider":"diycustoms.store","version":"1.0","type":"link"}