{"product_id":"mishimoto-mmexh-wrx-15-cat-back-exhaust-fits-subaru-wrx-sti-2015-2021","title":"Mishimoto MMEXH-WRX-15 Cat-Back Exhaust, fits Subaru WRX\/STI 2015-2021","description":"\u003cp\u003eMishimoto is proud to release the Performance Cat-back for the 2015+ Subaru WRX\/STI. The biggest complaint is the stock cat-back exhaust systems lack of aggressiveness. By installing the Mishimoto Performance Stainless Steel Cat-back, the exhaust system is able to breathe easier, providing horsepower, torque, and a rich exhaust tone. After comparing many different muffler sizes and designs, the Engineers at Mishimoto chose oval mufflers which prevent highway drone, but still provide an aggressive exhaust tone. During dyno pulls with the 2015+ Subaru WRX\/STI w\/ CVT, Mishimoto saw gains of up to 9 whp and 8 wtq using 93 octane fuel while maintaining safe AFRs on a stock tune (see additional images for dyno chart). This exhaust installs in under one hour and features quad 3.5in staggered double wall polished tips. The Mishimoto Performance Cat-back Exhaust provides an extremely aggressive turbo and exhaust tone under acceleration and boost, giving you that aggressive tone you have been looking for! The engineers at Mishimoto designed this cat-back as a four-piece design with precision TIG welded 304 Stainless Steel. This allows a smooth exhaust flow from the 3.0in 2-bolt exhaust flange all the way through the 2.25in y-section. To top it off, this cat-back includes two 2.25in V-Band clamps, a 3in exhaust band clamp, a new 3in 2-bolt flange gasket, and all stainless steel hardware, so you don't have to worry about your hardware rusting ever again! It also comes with the Mishimoto Lifetime Warranty you know and trust.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDyno-proven maximum gains of up to 9 whp and 8 wtq and peak gains of up to 4 whp and 3 wtq using 93 octane fuel while maintaining safe AFRs on the stock tune (2015 WRX w\/ CVT)\u003c\/li\u003e\n\u003cli\u003eExtremely aggressive turbo and exhaust tone under acceleration and boost\u003c\/li\u003e\n\u003cli\u003eMates with most aftermarket downpipes\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic Converter Quantity:\u003c\/strong\u003e 0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamping Type:\u003c\/strong\u003e Flat Band\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamps Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Color:\u003c\/strong\u003e Polished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Connection:\u003c\/strong\u003e Slip-Fit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Cut:\u003c\/strong\u003e Angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Diameter:\u003c\/strong\u003e 3.5 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Finish:\u003c\/strong\u003e Matte\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Material:\u003c\/strong\u003e 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Quantity:\u003c\/strong\u003e 4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExhaust Tip Wall:\u003c\/strong\u003e Double-Wall\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExit Style:\u003c\/strong\u003e Rear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Polished\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHangers Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall Difficulty:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain Piping Diameter:\u003c\/strong\u003e 3 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Finish:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMuffler Quantity:\u003c\/strong\u003e 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePipe Material:\u003c\/strong\u003e 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint01:\u003c\/strong\u003e Direct fit for the 2015-2021 Subaru WRX\/STI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint02:\u003c\/strong\u003e Dyno-proven maximum gains of up to 9 whp and 8 wtq and peak gains of up to 4 whp and 3 wtq using 93 octane fuel while maintaining safe AFRs on the stock tune (2015 WRX w\/ CVT)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint03:\u003c\/strong\u003e Extremely aggressive turbo and exhaust tone under acceleration and boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint04:\u003c\/strong\u003e Mates with most aftermarket downpipes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint05:\u003c\/strong\u003e Installs in under an hour\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint06:\u003c\/strong\u003e Designed with oval mufflers to prevent highway drone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint07:\u003c\/strong\u003e Quad 3.5-in staggered double wall, polished tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint08:\u003c\/strong\u003e Full 304 stainless steel mandrel-bent construction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSellingPoint09:\u003c\/strong\u003e 3-in to 2.25-in exhaust split helps maintain proper exhaust velocity\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime Warranty\u003c\/p\u003e","brand":"Mishimoto","offers":[{"title":"Default Title","offer_id":45727712084103,"sku":"MISMMEXH-WRX-15","price":1853.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0744\/4008\/1543\/files\/MMEXH-WRX-15_1.jpg?v=1788269329","url":"https:\/\/checkout.northernperformance.ca\/products\/mishimoto-mmexh-wrx-15-cat-back-exhaust-fits-subaru-wrx-sti-2015-2021","provider":"Northern Performance","version":"1.0","type":"link"}