Well these MAC longtubes have been an absolute NIGHTMARE. Now that they are all buttoned up the header touches the transmission right at an edge. Can this cause any damage? I guess I am going to have to take them off again and dent them a little to clear but I have had these headers in and out about 8 times already for different reasons I am just about over it. I would really like to leave them for now and fix them later on as long as there is no problems with the heat, but if any nosies from the vibrations arise I guess I am going to have to rip them off again.