Korsh Catted Down pipe suit Subaru WRX STI 01-07

Korsh Catted Downpipe — Subaru WRX / STI (2001–2007)

The Korsh catted downpipe is the highest flowing downpipe on the market for the 2001–2007 Subaru WRX and STI platform. 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.

Suits:

• Subaru WRX GD/GG (2001–2007)
• Subaru STI GD/GG (2001–2007)

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  
• Warranty: Lifetime

Available Part Numbers:

• KOR-EXHDP-01 — Korsh Catted Downpipe, Subaru WRX / STI (2001–2007)

Why Korsh?

• ✅ Highest flowing downpipe on the market for the 2001–2007 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

Comparable to HS05SWIDPCEA3L-A. Suits Subaru WRX STI GD GG catted downpipe high flow 200 cell cat 2001 2002 2003 2004 2005 2006 2007.