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I just finished building a 350 olds to go in a 90 model chev pu. I couldn't find a stock replacement and ended up going with an aftermarket one i ordered from oriely's. Simply remove the one bolt bracket from the exhaust manifold stud and twist out the old one. Be sure to clean the hole well and put a small amount of high temp silicone around the base of the new tube to prevent leaks and twist it in. Mine took quite a bit of wiggling but i eventually got it to seat properly. hope this helps.

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17y ago

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