12-30-2021, 12:15 AM | #2 |
Private First Class
26
Rep 127
Posts |
I got secondary cat delete and M Performance Exhaust its Perfect just a little louder not obnoxious loud no drone or anything .
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12-30-2021, 06:34 AM | #3 |
MFJWADE
120
Rep 351
Posts |
I have project gamma lower downpipes and x pipe on factory exhaust.
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2018 M5 Singapore Grey CCBs/Utku Noa E45 ECU/xHP TCU/PG-Intake/PG-Lower Downpipes
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12-31-2021, 08:58 AM | #5 |
Captain
436
Rep 749
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The only possible negative thing I could say about this combo is that I find a bit of a resonance / booming around 1800-2000 rpm. I think it's mostly due to the active sound being out of sync with the actual tone, so I need to code it out and see for sure.
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