{"product_id":"invidia-15-subaru-wrx-sti-4dr-q300-twin-outlet-rolled-titanium-burnt-quad-tip-cat-back-exhaust","title":"Invidia 15+ Subaru WRX\/STI 4Dr Q300 Twin Outlet Rolled Titanium Burnt Quad Tip Cat-Back Exhaust","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eHS15STIG3T\u003c\/span\u003e   \u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch4\u003e\u003cstrong\u003eInvidia 2015–2021 Subaru WRX\/STI 4Dr Q300 Twin Outlet Rolled Titanium Burnt Quad Tip Cat-Back Exhaust\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe Invidia Q300 Twin Outlet Rolled Titanium Burnt Quad Tip Cat-Back Exhaust (HS15STIG3T) is engineered for 2015–2021 Subaru WRX and STI 4-door models to deliver superior performance, aggressive styling, and a refined exhaust note.\u003c\/p\u003e\n\u003cp\u003eHand-crafted using premium SUS304 stainless steel piping with mandrel bends, continuous piping design, and Advantex material for optimized back pressure. It features a flat-bottom muffler for aerodynamic efficiency, double-wall rolled titanium burnt quad tips for a premium burnt titanium finish, and robot TIG welding for unmatched durability and show-quality construction.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUS304 Stainless Steel Construction:\u003c\/strong\u003e Mandrel-bent piping with 3-inch diameter for unrestricted exhaust flow and reduced back pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvantex Muffler Technology:\u003c\/strong\u003e Continuous internal piping and acoustic dampening for deep, sporty tone without drone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwin Outlet Quad Tip Design:\u003c\/strong\u003e Rolled burnt titanium tips (3.5-inch diameter) for aggressive aesthetics and heat resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAerodynamic Flat-Bottom Muffler:\u003c\/strong\u003e Improves high-speed stability and reduces weight for better handling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Compatible Fit:\u003c\/strong\u003e Direct bolt-on installation using factory hangers and flanges (new gaskets and hardware included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProvides measurable gains in horsepower, torque, and throttle response while maintaining emissions compliance.\u003c\/li\u003e\n\u003cli\u003eMinimal cabin drone – ideal for daily driving with a refined boxer rumble under acceleration.\u003c\/li\u003e\n\u003cli\u003eTips feature burnt titanium finish for a unique, premium look that resists discoloration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e Lifetime limited warranty against manufacturing defects.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended for optimal alignment and torque specs.\u003c\/li\u003e\n\u003cli\u003eBolt-on design – no cutting or welding required; uses factory mounting points.\u003c\/li\u003e\n\u003cli\u003eInspect for clearance with aftermarket downpipes or suspension mods before install.\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\u003e2015–2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eSedan (Base, Premium, Limited)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015–2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX\u003c\/td\u003e\n\u003ctd\u003eSTI (Base, Limited)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose Invidia Q300?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTrusted leader in performance exhausts with race-proven designs for Subaru enthusiasts.\u003c\/li\u003e\n\u003cli\u003eBalances aggressive sound and performance without excessive noise or drone.\u003c\/li\u003e\n\u003cli\u003ePrecision engineering for exact fitment, weight reduction, and long-term reliability.\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 STI Limited?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes, fully compatible with all 2015–2021 WRX and STI sedan models, including Limited trims.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e How loud is the Q300 compared to the N1?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The Q300 offers a deeper, more refined tone with less drone than the louder N1, perfect for street use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does it require a tune or downpipe?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e No tune needed, but pairs excellently with Invidia downpipes for maximum gains.\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 Ground freight delivery only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e Usually ships within 1-2 business days.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Securely crated with protective foam for transit damage prevention.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Invidia","offers":[{"title":"Default Title","offer_id":43763291357263,"sku":"INVHS15STIG3T","price":1626.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/hs15stig3t-main_1.jpg?v=1764019260","url":"https:\/\/www.blackopsautoworks.com\/products\/invidia-15-subaru-wrx-sti-4dr-q300-twin-outlet-rolled-titanium-burnt-quad-tip-cat-back-exhaust","provider":"Black Ops Auto Works","version":"1.0","type":"link"}