The COBB 3-inch cat-back exhaust is specified for Mazdaspeed3 Gen2 models from 2010–2012 and replaces the factory cat-back exhaust. This complete cat-back system uses 3" tubing and a full exhaust layout intended for direct replacement on supported Mazdaspeed3 Gen2 applications. It provides a straightforward installation path when updating the entire rear exhaust section of the vehicle.
Cobb 10-12 Mazdaspeed3 Gen2 SS 3in Cat-Back Exhaust