Invidia [11-14 WRX/STI Sedan] R400 Gemini Cat-Back Exhaust - Quad Titanium Tips
The Invidia R400 Gemini Cat-Back Exhaust for the 2011-2014 Subaru WRX and WRX STI Sedan is the benchmark cat-back for the wide-body GV chassis, pairing strong flow with Invidia's signature quad burnt titanium tips. A full 76mm (3-inch) SUS304 stainless steel system with mandrel-bent piping, TIG welding, and polished finish feeds the R400 muffler design for a deep, aggressive exhaust note that stays composed at cruise. New gaskets and hardware are included, and hangers welded onto the OEM locations make it a direct bolt-on upgrade.
- 2011-2014 Subaru WRX and WRX STI Sedan (GV chassis)
- 76mm (3") SUS304 stainless steel mandrel-bent piping, TIG welded, polished finish
- Quad 101mm (4") single-layer burnt titanium tips
- R400 muffler design - deep, aggressive tone; power gains from increased flow
- New gaskets and hardware included; OEM-location hangers for direct fitment
- Note: with a stock downpipe/j-pipe, a stock-DP-to-aftermarket-cat-back adapter may be required (e.g. GrimmSpeed)
- Part HS11STIGM4ST
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
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