{"product_id":"borla-xr-1-multi-core-3in-ctr-ctr-oval-16in-x-4-25in-x-7-88in-rotary-engine-equipped-racing-muffler","title":"Borla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e400371\u003c\/span\u003e   |   \u003cstrong\u003eUPC:\u003c\/strong\u003e 808422003711\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eBorla XR-1 Multi-Core 3in Ctr-Ctr Oval 16in x 4.25in x 7.88in Rotary Engine Equipped Racing Muffler 400371 Mazda RX-7 RX-8\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eBorla 400371 XR-1 Multi-Core racing muffler delivers aggressive exhaust note and power gains for rotary engine vehicles like Mazda RX-7 and RX-8. This universal reversible oval muffler with patented Multi-Core technology fits tight spaces while enhancing torque fuel economy and engine longevity. Experience Borla's signature sound of power with every throttle pull.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePatented Multi-Core Design:\u003c\/strong\u003e Increases flow for high-horsepower rotary applications delivering more power and torque without restriction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eT-304 Stainless Steel Construction:\u003c\/strong\u003e All-welded body resists rust corrosion ensuring lifelong durability in racing conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Oval Shape:\u003c\/strong\u003e 4.25in H x 7.88in W x 16in L body 21in overall length fits limited clearance setups on rotary-equipped cars.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReversible 3in Center Inlet\/Outlet:\u003c\/strong\u003e Pipe connection allows flexible straight-through installation for custom exhaust builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Temp CRF Acoustic Core:\u003c\/strong\u003e Controls sound levels while maintaining deep aggressive tone recognized by enthusiasts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned specifically for rotary engines but adaptable to other high-performance vehicles.\u003c\/li\u003e\n\u003cli\u003eNo embossed logo for clean motorsport appearance.\u003c\/li\u003e\n\u003cli\u003eMade in USA with 1 million mile durability warranty on materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eReversible design simplifies center-to-center piping alignment.\u003c\/li\u003e\n\u003cli\u003eCompatible with 3in mandrel-bent exhaust systems; clamps or welding required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979-1985\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eRX-7\u003c\/td\u003e\n\u003ctd\u003eSA\/FB All\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1986-1991\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eRX-7\u003c\/td\u003e\n\u003ctd\u003eFC All\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1992-2002\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eRX-7\u003c\/td\u003e\n\u003ctd\u003eFD All\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2011\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eRX-8\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniversal\u003c\/td\u003e\n\u003ctd\u003eRotary Equipped\u003c\/td\u003e\n\u003ctd\u003eVehicles\u003c\/td\u003e\n\u003ctd\u003eRacing\/Off-Road\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Borla?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePioneer in stainless steel performance exhaust since 1978 with wins in racing worldwide.\u003c\/li\u003e\n\u003cli\u003eBuilds systems for street off-road and track delivering power torque and efficiency gains.\u003c\/li\u003e\n\u003cli\u003eEngineered for precision fit flow and sound in every component.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does this muffler fit my Mazda RX-7?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes universal design fits all RX-7 generations (1979-2002) and RX-8 (2004-2011) with 3in piping; reversible for easy adaptation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is used and does it rust?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e T-304 stainless steel with 100% welded construction prevents rust and withstands high-heat racing use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty covers this part?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Lifetime warranty on materials and 1 million mile on welds when installed properly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or FedEx\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Securely boxed 22in x 10in x 9in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 12 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Borla","offers":[{"title":"Default Title","offer_id":39659126849615,"sku":"BOR400371","price":298.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/borla-xr-1-multi-core-3in-ctr-ctr-oval-16in-x-4_25in-x-7_88in-rotary-engine-equipped-racing-muffler-borla.jpg?v=1765947737","url":"https:\/\/www.blackopsautoworks.com\/products\/borla-xr-1-multi-core-3in-ctr-ctr-oval-16in-x-4-25in-x-7-88in-rotary-engine-equipped-racing-muffler","provider":"Black Ops Auto Works","version":"1.0","type":"link"}