Borla Catback Exhaust WRX (2011-2014) STI (2008-2014) Hatchback Volkswagen and constructed of stainless steel

and constructed of stainless steel -- this is a great performing catback for your WRX or STI

The result is quicker spool-up and better performance on modern drive-by-wire vehicles

Z3 4cyl (1996-2002) F: 1

Unlike competitors' products

blue and red to customize the style of your engine bay as you upgrade performance

Borla Catback Exhaust WRX (2011-2014) STI (2008-2014) Hatchback Volkswagen and constructed of stainless steelThe Borla catback exhaust for the WRX STI hatchback is a full stainless steel exhaust system that uses slip fittings for easy install and removal. The piping tapers to 2. 5" right before connecting to the downpipe for great fitment using stock or aftermarket downpipes. This system does not have any resonators and will be fairly loud, but not overly noisy and annoying. It will however net you some serious gains throughout the power band and improve