Thread: Quad setup on a non m-sport g30!
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      08-11-2020, 07:37 PM   #5
ppham5
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Drives: 2019 540i
Join Date: Aug 2019
Location: NC

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How was the sound with muffler deleted? I have catless downpipe and want to do muffler delete to get a quad exhaust with better sounding but dont want to to be too loud.
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