I am pretty sure I don't need an update from GH but I want your opinions. Car has HPFP, GH intercooler, MSD, Down pipes, ETC ETC. Currently GH AO and E30 tunes.
I just installed noisemaker delete and EPP intake. Is there any reasons to have the tune updated?
I just installed noisemaker delete and EPP intake. Is there any reasons to have the tune updated?