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      10-22-2011, 12:32 PM   #1
Legion5
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Drives: e92
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OEM exhaust mod questions

So from what I understand there are 4 chambers in the exhaust each with a perforated pipe.

If you just want the exhaust to sound a little louder and a lot better, you replace the perforated pipe with a straight one in the INNER 2 chambers. If you want the exhaust to sound a lot louder, you replace the perforated pipe in all the chambers.

I just want to make sure everything is right.
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