Here's a quick clip of Maximum PSI's shop E46 M3 running their Factory DME, Stage 2 Turbocharger system, with tuning from Nick G. of Technique Tuning. The car made 680whp at 17 psi with MS109 race fuel on the Castro Motorsport Mustang Dyno.

Loading more stuff…

Hmm…it looks like things are taking a while to load. Try again?

Loading videos…