For sale, 2002 Audi s3 amk ko4 turbo conversion including..... â¢ OEM ko4 turbo, with oil lines/hoses, good cond-no cracks-usual minimal play, worked perfectly fine on my car, no issues. â¢ intercooler charge pipe and exhaust down pipe including cat. â¢ exhaust/inlet manifold, good cond-no cracks. â¢ fuel rail including injectors + fpr Â£550 ono for the lot, will split, eg Â£350 for turbo + exh mani Post or pickup Manchester area. I've got more pictures if you would like me to email them.