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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
When im driving the street, once in awhile i hear a thud that sounds like someone is punching the carpet of the trunk... I figured it was something in the exhaust, maybe a leak... Can anyone tell me what this might be?