Fitment Information:2008-2021 Subaru WRX Sedan2011-2021 Subaru STI SedanFeatures:Here we have it folks. The Crème de la crème of single exit catback exhaust systems for the 08-21 WRX and 11-21 STi Sedan! When you bolt this on, before you even start the car, you will automatically get more scene points. Simply because, IT'S A TOMEI. Play the sounds of your people, let good ol' Karen next door know not to contest the beautimus sounds of the EJ (or FA) plays!Full titanium construction3.15" inch inner diameter tubing4.5" inch tipTotal weight: 15.8 lbsIncludes all gaskets and hardware needed for install, as well as a silencer.Note: Don't forget, if you have the factory downpipe/J pipe on your car, you'll need an adapter by our friends at GrimmSpeed!