not going for mutch power so will this be ok?



ok so there is the 550s and the 850s adn then whare the 850 came from cant remerb prim or sec they put 1300s



as im only going for around about 12 psi of boost will it be ok to run 850s all round? also when i put them all together will i just go into the pfc via comander and change the data to match the injectors and the ecu will tkae it from there untill i get it mapped?