hi i have just got a decat downpipe to go on my 96 wrx vlimited .is it a good idea to heatwrap itand how much power roughly would i get (car has hks superdragger decat and backbox and apexi induction) also what mod would be good idea next (fuel pump, fmic etc ) cheers j

 

not sure on exact power differences, but you will definetly notice the difference.

next - possibly a remap?