B5 Garage
I intstalled the PC16 upgrade with a k04,310cc injectors,4bar fpr,fmic,n75j valve and also added a testpipe.It is spiking as high as 25psi,and if cruising at 2500rpm and mash it it shutters and falls on its face.My apr chipped aeb will smoke this thing.Any feedback would be great,thank you in...