3″ Turbo Back Exhaust System – Subaru Impreza Newage WRX STI GDA GDB 01-07

Manufactured from highest quality T304 grade stainless steel 3" bore throughout with 4.5" tailpipe Designed to fit Both Classic and Newage Subaru models Designed to improve power and torque across the entire RPM range Includes up pipe and bellmouth decat downpipe     Our 3" Turbo Back Exhaust System compatible with Subaru Impreza Newage WRX STI GDA GDB 01-07 is a free flowing full system, offering improved power, torque and throttle response. The decat downpipe in this 3" Turbo Back Exhaust System also replaces the restrictive OEM cat to improve exhaust flow through the exhaust.