{"product_id":"invidia-15-21-wrx-15-21-wrx-sti-gemini-r400-cat-back-exhaust-stainless-steel-quad-tips","title":"Invidia [15-21 WRX] [15-21 WRX STI] Gemini R400 Cat-Back Exhaust - Stainless Steel Quad Tips","description":"\u003cp\u003eThe Invidia Gemini R400 Cat-Back Exhaust for the 2015-2021 Subaru WRX and WRX STI pairs the benchmark R400 Gemini muffler configuration with single-layer polished stainless steel tips for the clean, classic look. A full 76mm (3-inch) mandrel-bent 304 stainless steel system with the aggressive R400 muffler tuning delivers a deep, menacing exhaust note that stands out without being overwhelming, while smooth bends improve horsepower, torque, and throttle response. Quad 4-inch polished stainless steel tips finish the system, and hangers welded onto the OEM locations make it a direct bolt-on upgrade.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2015-2021 Subaru WRX + 2015-2021 Subaru WRX STI (VA chassis, sedan)\u003c\/li\u003e\n\u003cli\u003e76mm (3\") mandrel-bent 304 stainless steel piping, robot-TIG welded, polished\u003c\/li\u003e\n\u003cli\u003eR400 Gemini tuned mufflers — loudest\/most aggressive in Invidia's stainless lineup\u003c\/li\u003e\n\u003cli\u003eQuad 4\" single-layer polished stainless steel tips\u003c\/li\u003e\n\u003cli\u003eHangers welded onto OEM locations; new gaskets and hardware included\u003c\/li\u003e\n\u003cli\u003eWith a stock downpipe, an aftermarket DP-to-cat-back adapter (e.g. GrimmSpeed) may be required\u003c\/li\u003e\n\u003cli\u003ePart HS15STIGM4SS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JDMuscle","offers":[{"title":"Default Title","offer_id":67700858323038,"sku":"invHS15STIGM4SS","price":1535.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0232\/4721\/files\/invidia-r400-gemini-single-layer-quad-ss-tip-cat-back-exhaust-subaru-wrx-sti-2015-2019-hs15stigm4ss-cat-back-exhaust-system-invidia-invhs15stigm4ss.jpg?v=1791565960","url":"https:\/\/slrspeed.com\/products\/invidia-15-21-wrx-15-21-wrx-sti-gemini-r400-cat-back-exhaust-stainless-steel-quad-tips","provider":"SLRspeed","version":"1.0","type":"link"}