BMW M3 2007-2013 Long 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 Long System is a direct bolt in to your existing Axleback. Available with 1 5 8" or 1 3 4" primaries. If you are looking for a louder sound, consider our "resonator delete" option. Want to go all in and upgrade your complete exhaust system from beginning to end? Check out our BMW M3 Full system
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