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10-09-2018, 03:15 PM | #265 |
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10-18-2018, 08:13 AM | #267 |
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Jump on this Group Buy guys, only 4 days left and Max Discount has been reached!
https://www.gangup.com/bomiz/valvetr...3-q3-2018.html |
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10-21-2018, 10:31 PM | #271 | |
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I believe he mentioned that was a possibility. We are at 31 pledges now it seems!
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2020 FORD RAPTOR 2014 F15 X5 | M-SPORT SOLD 2011 SG E90 M3 | 2008 AW E90 M3 | 2004 E46 M3 |
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02-10-2019, 12:27 PM | #273 |
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02-10-2019, 12:54 PM | #275 | |
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Location: Reno / SFBA
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Yes, love it, check the GB thread here https://www.m3post.com/forums/showthread.php?t=1537274 |
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07-12-2020, 02:08 AM | #276 |
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Just want to add data points...
I have this muffler with the Evolve HFC + 2 resonator xpipe. Laguna Seca measurements in 2020: - 93.4 dB with valves closed - 104.6 dB with valves open These measurements are from several days at Laguna. It didn't always fail sound at 90 dB and 103 dB days. I seemed to fail when the weather was impacting sound AND I drove by the sound station in 3rd gear, very high RPM near redline. I stayed to the far right each time and didn't try any tricks when I failed. Short shifting to 4th gear seems to help a lot, but also impacts lap times. |
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