Invidia V2 Catless Bellmouth Downpipe with O2 Bungs WRX / STI (2002-2007) Speedwell Wheels Our testing has shown the

Our testing has shown the optimum core design is the 3/8” bar and plate style that has a 3/8” charge air and ambient air path

This assembly provides up to 80% increase in torque capacity and is properly suited for aggressive street use and moderate track use

Better driveability and durability

The STR Clutch is available in single and twin plate configurations

Invidia V2 Catless Bellmouth Downpipe with O2 Bungs WRX / STI (2002-2007) Speedwell Wheels Our testing has shown theInvidia Bellmouth Downpipe The Invidia Bellmouth Downpipe for the 2002 2007 WRX and STI is designed to maximize exhaust flow to the highest level possible. Featuring a wide open bell at the turbo, this downpipe provides the maximum exhaust flow possible on either your stock or aftermarket turbocharger setup. This product is a simple yet effective design that will net massive power and torque gains on your Subie. FITMENT: Subaru STI 2004 2007 Subaru