I have a Dinan res delete and a tuningwerk muffler. I get some vibrations at low rpms, but it's mild. Almost like a very low bass tone.
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2015 F80 M3 DCT, Carbon Roof
1998 S54 E36 M3 BMWCCA Club Racing #532 CM
1995 E36 M3 Sunbelt S52
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