Mar 292010

Is it advisable to take out the muffler and replace it with a straight pipe. will this hurt or help the performance and/or gas mileage

  One Response to “2002 F250 7.3 diesel exhaust”

  1. I would not advise removing any part of the exhaust as it will hurt the performance.

    Lest you want to add an aftermarket Tunner.

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