Sorry points was not very tech savvy, I meant 15hz. The frequencies from 115hz to 130hz seem pretty tame now, per Audacity on my PC when I did re-recording spectrum analysis reviews.
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2013 Ford Mustang GT
374rwhp, 360rwtq SAE / GT500 Axle-Backs / Brembo Pack / Track Pack / Recaros / 6spd
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