Does not fit 2015-16 WRX
The TurboXS Two-Piece Downpipe or 'Stealthback' Exhaust for STI is a bell mouth downpipe and race-pipe (or cat-pipe) that will bolt directly to your stock exhaust or any 3" aftermarket catback exhaust. This is perfect choice for anyone who wants to sneak past the spouse or just an unsuspecting street competitor. The TurboXS stealthback exhaust coupled with ECU tuning will easily yield performance gains up to 30 ft. lbs and 30 whp. Compatible with any aftermarket catback exhaust system, the Stealthback from TurboXS allows you to customize the sound of your car to your liking. The TurboXS 'Stealthback' is available both with and without a high-flow catalytic converter.