{"product_id":"hks-super-turbo-muffler-14-subaru-wrx-sti-ej20-catback-exhaust","title":"HKS SUPER TURBO MUFFLER 14+ Subaru WRX STi (EJ20) Catback Exhaust","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e31029-AF013\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 4957266922170\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eHKS SUPER TURBO MUFFLER 2015-2021 Subaru WRX STI (EJ20) Catback Exhaust\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe HKS Super Turbo Muffler catback exhaust system replaces the stock setup from the catalytic converter back on 2015-2021 Subaru WRX STI models with EJ20 engines. This full titanium and stainless steel system delivers measurable power gains and a deep aggressive exhaust note while shedding significant weight. Drivers experience sharper throttle response and enhanced turbo spool from the high-flow design.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight Build:\u003c\/strong\u003e 12.0 kg total weight versus 18.5 kg stock for 35% reduction improves handling and acceleration\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Increase:\u003c\/strong\u003e +14 PS at 5300 rpm and +11 Nm torque from optimized piping and muffler volume\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUS304 Piping:\u003c\/strong\u003e Mandrel-bent 60.5-80 x 2 mm stainless steel pipes ensure durability and smooth exhaust flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTitanium Muffler Case:\u003c\/strong\u003e Jet-style semi-dual design with angled φ120 SUS304 tips provides distinctive turbo-inspired look\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSound Tuning:\u003c\/strong\u003e Deep low-end tone rises to sporty roar at high RPM without cabin drone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSpecial order item confirm stock before purchase\u003c\/li\u003e\n\u003cli\u003eClean exhaust system regularly to maintain performance\u003c\/li\u003e\n\u003cli\u003eOversized packaging requires freight carrier verification\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\u003eBolt-on direct fit using factory mounting points no modifications needed\u003c\/li\u003e\n\u003cli\u003eCompatible with stock catalytic converter and hangers\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\u003e2015-2021\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eWRX STI\u003c\/td\u003e\n\u003ctd\u003eAll\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\u003e45+ years developing exhausts for Japanese performance cars\u003c\/li\u003e\n\u003cli\u003eDyno and track tested for real-world gains\u003c\/li\u003e\n\u003cli\u003ePrecision welded construction from premium materials\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 2015-2021 Subaru WRX STI?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes direct bolt-on for all USDM and JDM VAB chassis STI models with EJ20 or EJ25 engines verify piping from catback rearward\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in construction?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e SUS304 stainless steel for pipes and tips titanium for muffler case ensures heat resistance and longevity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty and install process?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e 1-year manufacturer defect warranty basic tools required 2-4 hours labor with lift\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 Freight Ground oversized\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 Secure cardboard box 58 x 16 x 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 26.4 lbs product 32 lbs shipping\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":40271634595919,"sku":"HKS31029-AF013","price":2350.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/hks-super-turbo-muffler-14-subaru-wrx-sti-ej20-catback-exhaust-hks.jpg?v=1768434982","url":"https:\/\/www.blackopsautoworks.com\/products\/hks-super-turbo-muffler-14-subaru-wrx-sti-ej20-catback-exhaust","provider":"Black Ops Auto Works","version":"1.0","type":"link"}