The COBB 3.0-inch catback exhaust for 2007–2009 Mazdaspeed3 is a direct-fit replacement system that routes exhaust gases through full 3" tubing. It serves as a complete catback upgrade intended to replace the factory rear exhaust sections and restore proper exhaust flow with correct sizing for Mazdaspeed3 applications, making it suitable for owners seeking a properly fitted aftermarket exhaust solution.
Cobb 07-09 Mazdaspeed3 SS 3in Catback Exhaust