Quote:
Originally Posted by JD86
I also had a cracked dump pipe... But that was mostly my own fault. I was running a custom 3 inch front/overpipe setup but had taken out the flex joint in between the front pipe and catback... SO I had no flex at all and when I was pushing it hard at a track day I damaged the turbo gasket and cracked the weakest point in my exhaust system (being the dump pipe).
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This is an important point - if the exhaust system has no flex joint in the system, the stress of the system flexing from front to rear will likely cause a crack somewhere in the exhaust eventually. One end of the pipe is connected to the engine which moves quite a bit on the mounts, while the rest of it is fixed in place to the body.