Question about 1988 BMW 3 Series

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My muffler fell off today and its louder but i have a rough idle now what is the muffler why is it doing this. its also loss of power

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Your muffler not only reduces sound but also tunes the flow of exhaust gas,so if it is missing, all the engine tune is put out completely,replace asap so that you run quiter and use less gas.(F1 racing cars have a length of pipe that is cut to an exact length to give max power...)

Posted on Apr 28, 2010

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