What else do I need? I HAVE ( not getting so i am going turbo) T3/T4 turbo, turbo exhaust manifold, intercooler with piping, blow off valve, oil catch tank, turbo timer and boost controller, oil feeding and return line ( i relize i will need too tap the oil pan for this). Thats all I have in my posesion motor mounts on its way, So where can i get a downpipe? that whole subject confuses me, but yea anything missing??