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Korsh Catted Downpipe — Subaru WRX (2008–2014) / STI (2008–2021) / Forester XT / Liberty GT (Automatic)
The Korsh catted downpipe is the highest flowing downpipe on the market for this platform — engineered specifically for automatic transmission Subaru WRX, STI, Liberty GT, and Forester XT applications. Featuring a high-flow 200-cell catalytic converter, this downpipe delivers maximum exhaust flow while remaining street legal and emissions compliant. Precision-engineered mandrel bends and a cast head flange ensure unrestricted flow and a perfect, leak-free fit.
Constructed from 304 stainless steel with cast flanges, this downpipe is built to handle sustained high-temperature operation on both street and track. Suits both RHD and LHD vehicles. Backed by a lifetime warranty — Korsh stands behind every product they make.
⚠️ Important: This part suits the Forester XT Auto 5-speed only. 4-speed automatic Forester XT owners must use SKU KOR-EXHDP-08.
Suits:
- Subaru WRX GE/GH (2008–2014) — Automatic
- Subaru STI GE/GR (2008–2021) — Automatic
- Subaru Forester XT SH (2008–2013) — 5-Speed Automatic only (4-speed auto: use KOR-EXHDP-08)
- Subaru Liberty GT BL/BP (2007–2009) — Automatic
Key Features:
- Highest flowing downpipe on the market for this platform
- High-flow 200-cell catalytic converter
- Cast head flange for improved flow and leak-free fitment
- Precision mandrel bends for optimal exhaust flow
- Direct bolt-on fitment — RHD and LHD compatible
- Improved throttle response and power delivery
Specifications:
- Material: 304 stainless steel
- Flanges: Cast — precision fitment, no warping
- Catalyst: High-flow 200-cell cat (street legal)
- Transmission: Automatic only — Forester XT suits 5-speed auto (4-speed auto: use KOR-EXHDP-08)
- Warranty: Lifetime
Available Part Numbers:
- KOR-EXHDP-08-AUTO — Korsh Catted Downpipe, Subaru WRX / STI / Forester XT (5-speed auto) / Liberty GT (Automatic)
- KOR-EXHDP-08 — Korsh Catted Downpipe, Subaru Forester XT (4-speed auto)
Why Korsh?
- ✅ Highest flowing downpipe on the market for the 2008–2021 WRX/STI platform
- ✅ 304 stainless steel with cast flanges — corrosion resistant, no warping, leak-free
- ✅ High-flow 200-cell cat — maximum performance while remaining street legal
- ✅ Direct bolt-on fitment — suits RHD and LHD vehicles
- ✅ Lifetime warranty — Korsh stands behind every product they make
