Currently I have a 01 with Hedman Headders, Dual Flowmaster 40's, K&N FIPK filter, and diablo tuner. At the end of the month I am putting 3.73 with a T-lock, And after that I am looking for a power adder and came upon the M90 Supercharger for the 3.8 and was wondering if it would be worth it or...