{"product_id":"hks-hi-power-muffler-wrx-sti-wrx-2015-us","title":"HKS Hi-Power Muffler WRX STI\/WRX 2015 US","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003e31006-BF001\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 4957266931752\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eHKS Hi-Power Muffler WRX STI 2015-2021 US\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe HKS Hi-Power Muffler is a cat-back exhaust rear section built for 2015-2021 USDM Subaru WRX STI sedans. This SUS304 stainless steel muffler cuts weight improves exhaust flow and produces a deep aggressive tone for daily driving or track use. Drivers notice sharper throttle response stronger mid-range pull and a sportier sound without drone.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSUS304 Stainless Steel:\u003c\/strong\u003e Full construction from premium Japanese steel resists rust and withstands high heat for years of reliable performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Savings:\u003c\/strong\u003e 11.2kg unit drops 4.2kg over OEM muffler enhancing handling acceleration and overall vehicle dynamics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Exhaust Note:\u003c\/strong\u003e 97dB output creates a refined powerful rumble that intensifies with revs ideal for STI enthusiasts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Increases:\u003c\/strong\u003e Dyno-proven +10PS gains boost torque and horsepower through smoother flow and reduced backpressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt-On Design:\u003c\/strong\u003e Mandrel-bent pipes (Ø80-90x2-60x2) with single right-rear 120mm rolled-edge tip ensure direct fit and clean styling.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConfirm vehicle is USDM STI sedan prior to purchase for exact match.\u003c\/li\u003e\n\u003cli\u003eInspect periodically and clean to preserve finish and flow efficiency.\u003c\/li\u003e\n\u003cli\u003eBoxed securely for protection during shipping and handling.\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 replacement requires no welding or cutting of factory components.\u003c\/li\u003e\n\u003cli\u003eIncludes all hangers gaskets and hardware for seamless mounting.\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\u003eSedan USDM\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\u003eDecades of JDM tuning expertise with Subaru OEM partnerships.\u003c\/li\u003e\n\u003cli\u003eRigorous dyno and road testing for proven power and durability.\u003c\/li\u003e\n\u003cli\u003ePrecise engineering matches STI chassis for perfect integration.\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 Does this muffler fit 2015-2021 WRX STI models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Yes it bolts directly onto all USDM 2015-2021 Subaru WRX STI sedans with no modifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials and tip design are used?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e SUS304 stainless steel piping and canister feature a single 120mm rolled-edge titanium-look tip on the right rear side.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What support comes with purchase?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e HKS provides warranty coverage professional install advised and full hardware kit included.\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 Ground or FedEx Ground\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 Sturdy box measuring 48 x 16 x 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 24.7 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":40271625158735,"sku":"HKS31006-BF001","price":1900.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/hks-hi-power-muffler-wrx-stiwrx-2015-us-hks.jpg?v=1768434885","url":"https:\/\/www.blackopsautoworks.com\/products\/hks-hi-power-muffler-wrx-sti-wrx-2015-us","provider":"Black Ops Auto Works","version":"1.0","type":"link"}