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10-20-2020, 09:01 PM | #1 |
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Wtb: ACM exhaust
Wtb acm exhaust. Prefer e90 fitment but will also consider e92 fitment
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2011 E92 M3 ZCP AW / FR (Gone but missed)
2011 E90 M3 ZCP AW / FR (Current and will stay) |
10-20-2020, 10:26 PM | #2 |
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Just curious. Why ACM vs 4 pipe? I've heard the drone is pretty bad with the ACM mod and not worth it for the slight volume increase. I've also read the 4pipe sound quality is better than ACM.
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2011 X5 35d 2018 F80 M3 ZCP |
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10-21-2020, 06:35 AM | #3 |
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10-22-2020, 11:48 AM | #4 |
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10-22-2020, 06:53 PM | #5 |
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^ are you running the ACM mod? I've read dozens of posts that say the ACM mod drones. My Megan drones like crazy from 1,800-2,200.
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10-22-2020, 07:39 PM | #6 |
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I have the ACM but I also have had most of the other good exhausts before as well. Truthfuly even the stock has a very small drone around 2k rpm but this is not any worse than stock in that department. The Megan exhaust and Meisterschaft do drone. ACM doesn't or if it does it's like stock exhaust
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10-26-2020, 12:00 PM | #7 |
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ACM exhaust mod has zero drone. Aside from all the cars we've done since 2010, I ran test pipes + acm exhaust mod for about 4 years daily and no drone whatsoever.
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10-27-2020, 10:45 AM | #8 |
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01-18-2021, 04:23 PM | #9 |
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Drives: 2011.75 E92 M3
Join Date: Jan 2019
Location: Philadelphia, PA
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I have a 4 pipe mod for sale if interested
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