Korsh Twin Scroll Down Pipe suit 08-21 JDM STI Catted

Korsh Twin Scroll Down Pipe — 08–21 JDM STI (Catted)

Direct-fit twin scroll down pipe for the 2008–2021 JDM Subaru Impreza STI. Engineered to complement the factory twin scroll turbocharger setup, this down pipe is built to perform and built to last.

Key Features

• 200 Cell High-Flow Catalytic Converter — Reduces back pressure while maintaining emissions compliance. Significantly improved flow over the restrictive OEM cat.
• 304 Stainless Steel Construction — Full 304 stainless throughout for superior corrosion resistance and long-term durability under extreme heat cycles.
• Wax Cast Twin Scroll Head Flange — Precision wax cast flange ensures a perfect seal to the twin scroll turbine housing, eliminating leaks and maintaining spool characteristics.
• Bolt-On Fitment — Direct replacement for 08–21 JDM STI. No cutting, drilling, or fabrication required.

Specifications

Please contact us for lead time and availability. For fitment queries, reach out via the Coore website at coore.com.au.