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itzjoker · 07-13-2020, 06:50 AM

I don't think Bootmod3 has adjustable burbles for the N63TU and S63TU platforms. Installing downpipes and opening the stock valves on the mufflers will make a huge difference in burbles.

07-13-2020, 06:50 AM	#5
itzjoker Second Lieutenant 150 Rep 289 Posts Drives: 2013 BMW 650i Gran Coupe Join Date: Apr 2019 Location: Columbus, OH iTrader: (0)	I don't think Bootmod3 has adjustable burbles for the N63TU and S63TU platforms. Installing downpipes and opening the stock valves on the mufflers will make a huge difference in burbles.
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