{"product_id":"invidia-15-21-wrx-15-21-wrx-sti-gemini-r400-cat-back-exhaust-titanium-quad-tips","title":"Invidia [15-21 WRX] [15-21 WRX STI] Gemini R400 Cat-Back Exhaust - Titanium Quad Tips","description":"\u003cp\u003eThe Invidia Gemini R400 Cat-Back Exhaust for the 2015-2021 Subaru WRX and WRX STI Sedan is the benchmark cat-back for the VA chassis, balancing strong flow with an aggressive tone. Built from 3-inch (76mm) SUS304 stainless steel with mandrel-bent piping and CNC-machined flanges, the system delivers a deep, pronounced exhaust note throughout the entire RPM band while staying composed at highway cruise. It exits through quad 101mm (4-inch) single-layer burnt titanium tips for Invidia's signature rear-end statement, and hangers welded onto the OEM locations make installation a direct bolt-on.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2015-2021 Subaru WRX \u0026amp; WRX STI Sedan (VA chassis)\u003c\/li\u003e\n\u003cli\u003e3-inch (76mm) SUS304 stainless steel mandrel-bent piping, CNC-machined flanges\u003c\/li\u003e\n\u003cli\u003eQuad 101mm (4-inch) single-layer burnt titanium tips\u003c\/li\u003e\n\u003cli\u003eDeep, aggressive exhaust note; refined at cruise\u003c\/li\u003e\n\u003cli\u003eOEM-location hangers; new gaskets and hardware included\u003c\/li\u003e\n\u003cli\u003eA stock-DP-to-aftermarket-cat-back adapter (e.g. GrimmSpeed 077046) is required with a stock downpipe\u003c\/li\u003e\n\u003cli\u003ePart number: HS15STIGM4ST\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JDMuscle","offers":[{"title":"Default Title","offer_id":67700859469918,"sku":"invHS15STIGM4ST","price":1634.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0232\/4721\/files\/invidia-r400-gemini-single-layer-quad-titanium-tip-cat-back-exhaust-subaru-wrx-sti-2015-2020-hs15stigm4st-cat-back-exhaust-system-invidia-invhs15stigm4st.jpg?v=1791565969","url":"https:\/\/slrspeed.com\/products\/invidia-15-21-wrx-15-21-wrx-sti-gemini-r400-cat-back-exhaust-titanium-quad-tips","provider":"SLRspeed","version":"1.0","type":"link"}