Talked to the dealer it seems to be what they install the most,for suspension upgrades,i think its the same kit used on the hertz.trying to get reviews on different suspension kits avilable like the roush,saleen svt and steeda,trying to figure out whos the best.its alot of money and dont want to have to do it twice.I want a firm suspension but still be road worthy,maybe some scca events would be fun.Not sure what it would take to make it competive and the regulations required,like safety,cage etc.