This Turbo XS high-flow catalytic converter pipe replaces the OEM cat section to improve exhaust flow for turbo Subaru applications. Offered as a direct-fit high-flow cat pipe, it supports 2002–2007 WRX/STi and 2004–2008 Forester XT models where emissions-compliant high-flow conversion is required. It focuses on improved scavenging without altering downstream components.
Turbo XS 02-07 WRX-STi / 04-08 Forester XT High Flow Catalytic Converter Pipe