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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
largest gains recorded: 39 horsepower at 5
The high flow catalytic converter and mufflers offer optimal performance gains
A total of 20 mounting holes enable the breathing port a full 360° of rotation
This unit is only suitable for the 2 plug ECU and not the later 3 plug models)
The Turboback includes: COBB 3" SS Downpipe - Cast bellmouth and high-flow catalytic converter for optimal exhaust flow
Cobb Stainless Steel Cat-Back Exhaust Subaru WRX (02-07) STi (04-07) blouch largest gains recorded: 39 horsepowerThe COBB catback exhaust for the WRX & STI does not deviate from the factory emissions equipment and conforms to the SAE dictated 95 decibel exhaust noise level limit enforced by California, as well as other states in the US. This system is modeled after the stock factory exhaust fitment locations, therefore making it an easy direct bolt on item inclusive of all needed gaskets and hardware. The COBB Tuning catback exhaust is heralded often for its
