TOP JDM SUBARU ENGINE SECRETS

Everything went in my automobile, headlights to taillights is all JDM harness. All of the ecu and dash wires match without any moding, I just flipped the harness. I needed to lengthen wires intending to front lights and gasoline tank, thats all. Very simple.could it be fantastic? obviously its superior, but $2000 of tuning bits dosnt appear a extre