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      09-20-2017, 03:54 PM   #1
beachcomberx5
Private First Class
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Drives: X-5
Join Date: Jul 2017
Location: NJ

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ACS Exhaust Drone

I'm loving my new exhaust except for the highway drone at around 1800 rpms.

Any thoughts on how to fix. I tried sound insulation in the trunk but that only cut down 10%.

Is this something I have to live with or is there a practical solution. Maybe a reasonator?

I've asked the distributor to contact ACS but have not heard back.
Appreciate 0