i heard rumors that is crap and a waste of 300 but let me tell you i put a set off new spark plugs and the plasma booster and wow i feel like my 99 cobra just woke up i dont think its a waste it pulls hard in the mid and top end i would suggest trying it!!!!! all i have is jba shorty headers, x-pipe, magnaflow cat-back, and a full bbk cai

I'll have to read it sometime. 