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BJM2018 · 11-19-2019, 10:48 PM

I have a 18 M2 with DCT and the optional M performance exhaust. It works fine, flaps open and stay open, however it is quieter now after a year, and I expected the opposite it would get louder over time. Any suggestions to make it louder without a decat or voiding the warranty? Thanks

11-19-2019, 10:48 PM	#1
BJM2018 Private 18 Rep 93 Posts Drives: 2018 M2 DCT Join Date: Jul 2018 Location: Vancouver iTrader: (0)	M Performance Exhaust Getting quiter I have a 18 M2 with DCT and the optional M performance exhaust. It works fine, flaps open and stay open, however it is quieter now after a year, and I expected the opposite it would get louder over time. Any suggestions to make it louder without a decat or voiding the warranty? Thanks
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