Cobb Stainless Steel Turbo-Back Exhaust Subaru WRX (02-07) STi (04-07) g4+ The COBB 3" SS Turboback

The COBB 3" SS Turboback Exhaust is engineered specifically to match the performance needs of the 2010-2013 MAZDASPEED3

The hotter the AOS

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the diaphragm and valve operate independently

Cobb Stainless Steel Turbo-Back Exhaust Subaru WRX (02-07) STi (04-07) g4+ The COBB 3" SS TurbobackThe COBB Tuning SS 3" Turboback exhaust for your Subaru WRX! These components offer excellent power gains, outstanding build quality and an impressive exhaust note. The Turboback includes: COBB 3" SS Downpipe Cast bellmouth and high flow catalytic converter for optimal exhaust flow; COBB 3" SS Cat Back Exhaust Beautiful fabrication and awesome rumble This Downpipe or Stage Power Package requires a custom Tune!! COBB offers OTS Map support for some