It's that time again! Time to get the ****box on the street and time for another e test. Just installed the cat and have a leak on one side of the flange between the d pipe and cat. I've loosen it and tightened every which way but still leaky. Has anyone had success with the "ultra copper" rtv silicone? I found a tube in my stash and have never used it. Ya thiniyk it'll work?
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rtv gasket sealer?
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