"6 inch turbo back" pipes?9mmGuy wrote:well, as it is not my truck i cant prove it, but thats what he told me. it is a 7.3L, with 6 inch turbo back, chip, blah, blah...
Maybe it's working for him, but bigger pipes aren't always more efficient. Very few automotive exhaust systems do anything to eliminate standing waves and actually tune the exhaust system. They could stand to take some lessons from the motorcycle world.