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      10-13-2019, 10:21 PM   #2
ntg44
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Drives: 2017 M3 6MT
Join Date: Aug 2018
Location: Chicago

iTrader: (2)

Keep stock mid pipe and weld in some resonators. Most people delete secondary cats to place them there. Will run you ~$350 with install. Don't overpay for a lesser solution.