exhaust rumbles when down shifting
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exhaust rumbles when down shifting
Can anyone tell me why my exhaust rumbles ( or almost sounds like a back fire) ??? When I am driving in 3rd gear (mostly) I let off the gas and the exhaust starts rumbling. I think it has something to do with the pressure in the exhaust. I don't know....the exhaust system is after- market and in new condition. Any ideas why????? thanks.....cjf