{"product_id":"invidia-2015-subaru-wrx-sti-gemini-r400-single-layer-quad-stainless-steel-tip-cat-back-exhaust","title":"Invidia 2015+ Subaru WRX \/ STI Gemini\/R400 Single Layer Quad Stainless Steel Tip Cat-Back Exhaust","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e HS15STIGM4SS\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eInvidia 2015-2020 Subaru WRX \/ STI Gemini\/R400 Single Layer Quad Stainless Steel Tip Cat-Back Exhaust\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThis Invidia cat-back exhaust system (MPN: HS15STIGM4SS) replaces the factory exhaust from the catalytic converter back on 2015-2020 Subaru WRX and STI models. It features mandrel-bent 3-inch T304 stainless steel piping and quad single-layer R400 stainless tips for a deep aggressive tone and noticeable power increase. Drivers experience sharper throttle response and higher horsepower across the RPM range with this direct bolt-on upgrade.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eT304 Stainless Steel Construction:\u003c\/strong\u003e Provides long-lasting durability and resistance to rust with full 304-grade stainless throughout the piping and tips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-Bent 3-Inch Piping:\u003c\/strong\u003e Ensures smooth exhaust flow to reduce backpressure and support engine breathing for improved acceleration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemini Series Design:\u003c\/strong\u003e Delivers a refined deep exhaust note that grows louder under load without excessive drone on highways.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Layer R400 Quad Tips:\u003c\/strong\u003e 4-inch diameter rolled stainless tips offer a clean angular look and enhance the rear stance of WRX\/STI vehicles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On Fitment:\u003c\/strong\u003e Precision-engineered hangers and flanges match OEM locations for straightforward installation without modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires stock catalytic converter. not for off-road or race use only applications.\u003c\/li\u003e\n\u003cli\u003eClean periodically with mild soap to maintain stainless finish.\u003c\/li\u003e\n\u003cli\u003eShips in oversized box. check local freight restrictions if applicable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eBasic hand tools and jack stands sufficient. no welding needed.\u003c\/li\u003e\n\u003cli\u003eUses factory rubber hangers and bolts for secure mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\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\u003e2015-2020\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2020\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2020\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2020\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eLaunch Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015-2020\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eSeries.HyperBlue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Invidia?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eEstablished Japanese exhaust manufacturer with motorsport heritage.\u003c\/li\u003e\n\u003cli\u003eEvery system dyno-tested for real-world power and sound validation.\u003c\/li\u003e\n\u003cli\u003eRobotic welding and TIG construction for consistent quality.\u003c\/li\u003e\n\u003c\/ul\u003e\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 Will this fit my 2018 WRX Premium with stock downpipe?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, it bolts directly to the stock catalytic converter on all listed 2015-2020 WRX and STI submodels without adapters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the tips made from?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e R400 tips are single-layer T304 stainless steel, 101mm inlet\/110mm outlet for durability and shine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty covers this exhaust?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Lifetime limited warranty against manufacturing defects when installed properly on compatible vehicles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or Freight for oversized items\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 at 52in x 13in x 13in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 42 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Invidia","offers":[{"title":"Default Title","offer_id":43944147943503,"sku":"INVHS15STIGM4SS","price":1528.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/invidia-2015-subaru-wrx-sti-geminir400-single-layer-quad-stainless-steel-tip-cat-back-exhaust-invidia.jpg?v=1767646275","url":"https:\/\/www.blackopsautoworks.com\/products\/invidia-2015-subaru-wrx-sti-gemini-r400-single-layer-quad-stainless-steel-tip-cat-back-exhaust","provider":"Black Ops Auto Works","version":"1.0","type":"link"}