After a long wait I completed “Stage 2″ of my build which includes Kooks long tube headers (ceramic coated with 2″ primaries), Kooks 3″ to 2.5″ off-road pipes, Injector Dynamics 850cc injectors, Kenne Bell Boost-A-Pump, Metco 10” lower pulley, AFCO […]

I purchased a 2013 ZL1 M6 in June ’15 and performed some interesting mods and tuning during my ownership. The first round of data was collected throughout the Fall of ’15. I’ll provide some thoughts on the mods and results below. Unless noted, each […]