Originally Posted by s197pilot

I have the summit x pipe on an 06 GT auto. It leaks at the manifold flanges. I found that the bell flange was too big and was hitting the flat part of the flange before the bell mated with the taper. I cut off part of the taper, reinstalled and it still leaked. Then I noticed that the x pipe flanges were bottoming out on the sholders on the factory manifold studs. I changed the the stock manifold studs (with sholders) to studs with no sholders and it still leaks. I dont know where to go from here. If i cant get this thing fixed, i'll just go back to my factory setup. Its just not worth the agrivation...