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      06-29-2016, 08:10 AM   #7
oemplusx4
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Drives: BMW X4M40i
Join Date: Aug 2015
Location: Los Angeles

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ER catless down pipe to full Eisenmann race exhaust, it is a turbo back and non resonated. Sounds quite loud at cold start, lots of burble. No drone whatsoever, at highway speeds I hear nothing only when I mash the gas, then the beast comes alive. '
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Current: 2021 Alpine White X4M40i
Past: 2018 Tanzanite Blue 340i
IG: oemplusx4

Last edited by oemplusx4; 06-29-2016 at 08:17 AM..
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