Originally Posted by Old Red SCrew

I love my Spectre system! I was messin around before i put it on doing the gotts mod and silencer removal, and i noticed a big increase as soon as i put on the spectre. As far as power, it definately wakes up my little 4.6, and i probably decreased in mpg cause i find myself romping it all the time just to hear it roar. I think.the CAI and catback would be a better value because you get more than what a tuner has to offer all at once and without having to screw around with programs. But id definately buy that spectre system, i foond mind on autoplicity for about 130.