I have a 99 GST with full 3" inch exhaust. it is stock other then that. i have an aftermarket blow off valve(apex) ready to go on. Its an automatic tranny. Im looking for some thing to make accelartion go up and top end to go up? please any ideas would be help full.

 

I mean this in the best way and just do a search.

 

go to vfaq.com and look for the 2g upgrade path very useful