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Well idk bout y'all. But I'm getting a custom exhaust made, straight pipe all the way, no muffs or resonators or cats, single midpipe to y split. But 3 weeks ago I removed full cat back, running just open down pipe. Obviously still have primary cats, but she sounds mean at low rpm n wot, even for still having cats. Super deep under 3k rpm. Perfect cruising rpm right now is 3500 for tolerable drone. Just FYI for anyone that wanted to know.
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15' AW/BLK F80 M3, 6spd
BM3, VRSF DPs, BMS Intakes, KW HAS
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