American Racing: 2001-2006 BMW E46 M3 Long System Headers, 1-3/4" x 3" Cats:With Cats 0″ polished or black tips

0″ polished or black tips

See picture of filters below

This system was designed on an LS2 equipped GTO

Push button activation

The turbine causes the transmission to spin

American Racing: 2001-2006 BMW E46 M3 Long System Headers, 1-3/4" x 3" Cats:With Cats 0″ polished or black tipsAmerican Racing Headers: 2001 2006 BMW E46 M3 Long System, 1 3 4" 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 E46 BMW M3. This system features American Racing Headers patented rotational firing, 6 into 1 long tube header system for the E46 S54 powered M3. The Long System is a direct bolt in to your existing Axleback. Available with 1 3 4"primaries. This