Thread: aftermarket muffler drone, returning to stock
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Old 05-02-2019, 09:30 AM   #3
Cunningr
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Join Date: Mar 2016
Location: Spain
Posts: 985
I just installed a fvd brombacher sound version muffler. No drone 2k rpm its 88db in a closed garage at 4k 99 to 100 ish.

Sounds great.
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