which modification is a better choice? i was thinking iether a TFI coil and a MSD off-road ignition system tha comes with good wires or would a cat back be better? i was thinking iether a gibson, flowmaster or pacesetter i realy dont have eny idea which of those 3 is the best cat-back iether. i will apreciate any info yall can give me on these questions right now all i have is a FIPK kit on my 94 302ci