{"product_id":"hks-super-turbo-muffler-gdbe-g","title":"HKS SUPER TURBO MUFFLER GDB(E-G)","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e31029-AF001\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 4957266918685\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eHKS SUPER TURBO MUFFLER GDB(E-G) 2004-2007 Subaru Impreza WRX STI\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe HKS Super Turbo Muffler GDB(E-G) is a full titanium cat-back exhaust system built for Subaru Impreza WRX STI GDB chassis models from 2004 to 2007. This direct-fit replacement enhances exhaust flow for quicker turbo spool quicker throttle response and measurable power increases up to 14PS over stock. Its design amplifies the raw turbocharger whistle and blow-off sounds while maintaining track-ready volume levels.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Construction:\u003c\/strong\u003e Full titanium muffler weighs just 7.2kg versus stock 17.5kg for reduced rear weight and improved handling balance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge Diameter Piping:\u003c\/strong\u003e Mandrel-bent φ60.5-80.0mm pipes with 80mm tips promote high-RPM flow and prevent restriction under boost\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTurbo-Focused Sound:\u003c\/strong\u003e Internal chamber tuning emphasizes spool-up whine and wastegate flutter for authentic JDM rally sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Dimensions:\u003c\/strong\u003e Muffler measures 500mm L x 400mm W x 290mm H fits cleanly under STI sedan body without ground clearance issues\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On Design:\u003c\/strong\u003e Uses factory hangers and flanges for straightforward replacement on GDB STI models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires no ECU tuning for installation though dyno tuning recommended for maximum gains\u003c\/li\u003e\n\u003cli\u003eClean exhaust tips regularly to prevent carbon buildup and maintain appearance\u003c\/li\u003e\n\u003cli\u003eShips fully assembled with all necessary gaskets and hardware included\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\u003eRemove stock cat-back from mid-pipe flange rearward lift and bolt in HKS unit\u003c\/li\u003e\n\u003cli\u003eCompatible with factory mounts no cutting 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\u003e2004-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza WRX\u003c\/td\u003e\n\u003ctd\u003eSTI Type RA-R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2004-2007\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eImpreza WRX\u003c\/td\u003e\n\u003ctd\u003eSTI spec C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose HKS?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eHKS pioneered Japanese aftermarket tuning since 1973 with motorsport-proven designs\u003c\/li\u003e\n\u003cli\u003eEvery exhaust undergoes rigorous dyno and sound testing for consistent results\u003c\/li\u003e\n\u003cli\u003ePrecision TIG-welded joints ensure durability under high-heat high-boost conditions\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 Will this fit my 2005 USDM Subaru STI?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes direct bolt-on fit for all 2004-2007 Impreza WRX STI GDB chassis including USDM JDM and AUS models\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material is the muffler made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Full titanium body with SUS304 stainless piping for heat resistance and lightweight performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty on this muffler?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e HKS offers a 1-year limited warranty against manufacturing defects when installed by certified shop\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 Ground shipping via UPS 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 Original HKS double-wall box measures 24in x 20in x 16in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 35 lbs shipping weight\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":42036218822735,"sku":"HKS31029-AF001","price":1400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/hks-super-turbo-muffler-gdbe-g-hks.jpg?v=1768435751","url":"https:\/\/www.blackopsautoworks.com\/products\/hks-super-turbo-muffler-gdbe-g","provider":"Black Ops Auto Works","version":"1.0","type":"link"}