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      03-08-2016, 03:51 PM   #23
Sneaky Pete
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Originally Posted by duvinclunk View Post
I think I may just try covering the two smaller perforated pipes, leaving the two bigger sections on each side and see what that does.
I don't think it will make enough difference.
When I had mine redone, I had half or each of the "larger" perforated pipes covered and it made very little difference.
If I was going to get it done again I would try covering 3/4 of the two larger perforated pipes and leave the other 2 smaller ones uncovered.
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      03-08-2016, 05:12 PM   #24
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Originally Posted by Sneaky Pete View Post
I don't think it will make enough difference.
When I had mine redone, I had half or each of the "larger" perforated pipes covered and it made very little difference.
If I was going to get it done again I would try covering 3/4 of the two larger perforated pipes and leave the other 2 smaller ones uncovered.
Did you have test pipes when you had it done? My car is already louder than a factory M3 because of my pipes and am really only looking for a little more grunt. I decided against having the muffler ceramic coated like I did the other so that I can cut it open again if needed.
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      03-08-2016, 07:12 PM   #25
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Ah OK...no it was a standard car.
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