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      02-14-2020, 11:08 AM   #2
gpdriver17
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Drives: F90 M5
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If you don't want it too loud you shouldn't do downpipes. I've heard they are extremely loud. Set car alarms off on a cold start loud. Just a JB4 or tune from a reputable company (not Noelle) should be enough. Everything else seems to help very little. After a tune, downpipes are probably the next best thing, but unless you're going for Dragy times, there's no point. Some intakes help with the sound, but don't add much if anything in terms of power.
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