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Originally Posted by Dengue
I have an exhaust leak on one of my pre-cats, and my inspection is about to be due. I know there is such an animal as an exhaust patch kit, but I was wondering if JBWeld would be able to survive the heat of the exhaust, or some similar product.
any thoughts?
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The leak is (almost) always at the flange just before the two into one, main cat.
You have to cut out the perforated metal pipes, and replace them.
Since the pipes are only 1.61 inches in diameter there, you probably have to take it to a welding/exhaust shop that you trust, and have them fix it for you.
Hopefully they can fix the rusted tube, or more likely just weld in , say a 1,3/4" tube, about 4" long and just replace the flex coupler.
This is assuming you want to do this cheaply.
