American Racing: 2007-2013 BMW M3 Long System Headers, 1-3/4" or 1-5/8" lid spacer Includes 2 muffler insert end

Includes 2 muffler insert end plates

Greater longevity

*Significantly Increase Sound

Can still use factory wheels

The 2014+ C7 Corvette Stingray

American Racing: 2007-2013 BMW M3 Long System Headers, 1-3/4" or 1-5/8" lid spacer Includes 2 muffler insert endAmerican Racing Headers: 2007 2013 BMW M3 Long System, 1 3 4" x 3" or 1 5 8" x 3" There 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. This system fits: 2007 2013 BMW M3