i have an 03 wrx bug eye and will be upgrading the fuelling, i.e pink injectors, fpr and a walbro 255, should i just install them at the same time? and would i need to adjust the fpr? obviously will be getting an avc-r or similar will it be a case of just getting it mapped and the fuelling will automatically supply the right amount?
thanks scott

 

the FPR will need setting when its mapped (wouldn't drive it with those changes without map being sorted), i bet mapper can set it for you no probs, then you have peace of mind as well as it set correctly