We have begun testing and R&D on the brand new, 2011 Subaru STI Sedan. Subaru says this is the most powerful STI ever. We’ve made it even more powerful with a COBB Tuning AccessPORT, COBB Tuning Catted downpipe and an SPT catback for a 2009 WRX Sedan! Stay tuned for updates at The COBB Tuning Homepage or sign up for our Mailing List for COBB Tuning news and updates delivered right to your inbox!