Buckhead Imports Supersprint headers installed on a 2003 E39 M5
2003 E39 M5 stock headers are pictured (below left) and the Supersprint header are pictured (below right).
The stock headers (below left) and Supersprint headers/ 4-1 collector installed (below right)
Buckhead Imports finished product of the Supersprint header install (below)
The baseline in the dyno report (below) is after the custom software was installed. The second run is after the Supersprint headers were installed, which show some great gains 355 rwhp 324 ft. lbs. torque.
