How Do U Know If U Have A Header Gasket Leak. Does It Make A Funny Buzzing Sound? Like Between Gears When The Rmp's Drop.

 

Will if you never heard a car with a hole in its exhaust then look for this. If you have a lift or ramps, put your car up in the air and look for black around the headers. If you can't do that than pop your hood and look for an air noise