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:cussing: after buying an after market muffler my grandpa says that putting that on my car can screw up the engine which i do not believe at all somebody please tell me if this is possible or not thanks

posted by  natedawgk9k4

If it's just the muffler, it won't but if it's a cat-back or header-back exhaust it might.

posted by  chris_knows

Sorry chris, that would be incorrect. An exhaust system will never "hurt" your engine...but your driving style after installing that loud new system might. Grampy probably just doesn't want to hear that extra noise.

posted by  Sick88Tbird

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