Upgrade your Subaru WRX/STI's performance with Tsudo 3in Downpipe. Crafted from 76mm stainless steel tubing and featuring a robust cast iron bell-mouth, this Catless DP reduces back pressure, quickens turbo spool time, and delivers impressive power gains across all RPMs. Includes extra 02 sensor bung for wideband use and essential hardware (excluding Bell-mouth Gasket).
- 1992-1999 Subaru WRX (JDM Spec)
- 2002-2007 Subaru WRX (USDM Spec)
- 2004-2007 Subaru STI (USDM Spec)
- Flange adapter installing on OEM exhaust
