01-03 2500 HD 6.0L
#3
RE: 01-03 2500 HD 6.0L
Cold air intake(take your pick), Magnaflow exhaust, custom tuned PCM(computer), electric cooling fans. The best mod by far will be the custom tuned pcm, not a handheld programmer. Guys like Nelson performance, Westors, or Wait 4 Me can make your truck feel like a completely different machine.