Magnaflow Performance Cat-Back Exhaust | 2010-2013 Mazda 3 | Horsepower & Torque Gains Magnaflow Performance $1,437.73
Dynomax Exhaust Pipe Intermediate 41893 3-1/2 Inch Inlet; 3-1/2 Inch Outlet; 6 Inch Length Dynomax $40.16