Fitment:
- 2002-2007 Subaru WRX
- 2004-2007 Subaru STI
- 2004-2008 Forester XT
Specs:
- 304 Stainless Steel Construction
- Thick 1/2″ flanges for added durability and longevity
- Built-in GESI Catalytic Converter – standard in all V2 Downpipes
- Cast Stainless Steel Turbo Elbow is extremely strong with low restrictions for optimized flow
- Divorced Turbo Elbow Design allows for SUPERIOR boost control over OE and aftermarket bellmouth
- New 2-piece design makes for a much easier solo installation
- 2nd O2 Bung allows for optional use of aftermarket sensors
- Gaskets and install hardware included
- Will require 3″ inch-to-OEM Exhaust Adapter to run on factory catback* (not included; click here to purchase adapter)
NOTE: Once you have added our downpipe to your vehicle, you must be tuned. Replacing your factory catalytic converter sometimes causes a ‘cat converter efficiency’ check engine light. You can either use tuning to delete this CEL or you can use a mechanical fix. GrimmSpeed aftermarket downpipes modify OEM emissions control devices and are intended only for off-road racing applications.
*Notes for WRX/FXT TD04 Turbos – The wastegate divider tab may require modification in order to allow the internal wastegate to function properly.
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CONTROLLED MOTOR VEHICLE.