Thread: 2 mufflers on i4 = loss of back pressure??
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Old 08-23-2002, 09:48 AM
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decibel_dj
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dual exhaust systems on i4's arent worth while at all to get some real gains you'd have piping close to that of stock size. even on V6's its not that great (its done to lower the sound of the exhaust)
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