Cobb Cat Back Exhaust WRX 2002-2007 / STI 2004-2007
The Cobb Cat Back Exhaust uses the highest quality stainless piping and a muffler designed for direct and efficient flow to achieve high performance gains while still retaining a stock like appearance and sound.
This cat back exhaust 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.
- Straight-through Optimal Flow Design
- 304 Stainless Steel for Corrosion Resistance
- TIG Welded
- Impressive Sound