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If the hole is smaller than a nickel, I would not worry about it. If the hole is on the bottom side of the exhaust pipe, it might actually be a good thing, as it would allow the water in the exhaust to drain out before it enters the muffler. Some newer cars have drain holes in the exhuast system to prevent things from rusting out quickly.

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โˆ™ 2006-08-28 06:14:49
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Q: Should you patch or just replace exhaust components if there's a small hole right before the muffler?
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