VUDUGT350
Well-Known Member
- Joined
- Feb 1, 2016
- Threads
- 5
- Messages
- 97
- Reaction score
- 33
- Location
- Fresno, CA
- Vehicle(s)
- 2017 Shelby GT 350R Shadow Black
I was only one with the exhaust defeat module and I posted in another thread but I had no problem with sound the rest of the day once I had them in properly. 90.4 dB to be exact but crew said I won't get a sound violation until I hit 91.0.you guys are passing sound? all using the grimmspeed exhaust defeats?
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