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The welds on my converters heat shield have broken over 4 times so untill I could get around to welding it back up I used JBWeld to hold it. Worked fine for a few weeks and broke again. A few people said just yank the thing off saying you dont need it. So do I really need it?
they block air from hitting the cats and keeps them warmer (they work best very hot). i think lol. or they could be protection from those high speed bumps.[&:]