BMW M3 2007-2013 Full SystemThere is simply nothing currently offered as a package that provides the incredible HP, torque and sound as an ARH full system for your 4. 0L V8 BMW M3. The full system provides a deep, throaty tone without high pitch rasp. Available with 1 5 8" or 1 3 4" primaries. If you are looking for a louder sound, consider our "resonator delete" option. Also available up to the rear axle as a direct bolt in for your stock or aftermarket axle back. Check out the
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