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SuperChev2004

February 15th, 2007 2:26 AM

5.3L MOTOR

Does my 2004 Z71 need much back pressure from the exhaust...... i just want to know if i take my muffler off for more flow, will it harm the motor??? thanks!!

SuperChev2004

February 16th, 2007 12:55 AM

RE: 5.3L MOTOR

Anyone????

engine2

February 16th, 2007 1:11 AM

RE: 5.3L MOTOR

I dont know how much back pressure your Z71 needs and not sure how much back pressure you will loose just removing the mufflers. I doubt it will hurt your motor. It will be load as hell though.

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