?? First, best, most cost effective mod??
I have a '05 roadster, with a 6 speed, and would like to do some performance upgrades. I just wonder what you folks think would be the most effective approach without spending a bunch of money. I know that intake and exhaust mods, and chip upgrades are the likely way to go, but in which order, and what products work best. Thanks in advance for the advice. STEVE T