I wanted to start a thread to discuss what modifications would be most ideal for a FiST within G-Stock class. From what I gather, and I am not well versed at all in the rule book for SCCA, we are able to use a drop in filter, and a cat back exhaust as our only power adders (which sadly, doesn't mean a while lot versus a FoST). Suspension tuning is limited to a rear sway bar, and camber we can manage with the stock suspension, and (correct if I am wrong) the shocks. We can change wheels and tires, and not much else... I also wanted to ask what setups people are running with great success or failure... I am going to finish this season as well as this year on the OEM tires, and will be purchasing a new cat back, wheels, tires, and potentially other items (you tell me) so that I can be more competitive next year against the FoSTs that I am racing against.