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  1. A

    effective changes?

    do changes made with the tweecer become effective immediately or are some heat cycles required?seems as though some do and some do not!
  2. A

    need a little more!!

    what kind of improvement in e.t. would i see by adding a p.i 3200 converter,longtube headers and pulley,s? my car is an 02 gt 4r70w. my current mod's are mac cai,mac off-road x-pipe,3.55's and an nos noszle system and a diablo predator. i went to the track sunday and my best run on nitto street...
  3. A

    NITROUS?

    any of you guy's using the nos noszle system? if so,how do you like it? what kind of improvement in et's did you see? i just bought a used kit and have yet to install it. just wanted to get some opinions first. it will be going on an 02 gt auto.