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STR8-6IX · 03-25-2017, 09:49 AM

muffler delete on a 7 series? what are you doing?

getting rid of your muffler isnt the right way to reduce backpressure on a turbo engine, hence what a downpipe is for.

03-25-2017, 09:49 AM	#3
STR8-6IX Banned 536 Rep 2,825 Posts Drives: RWD 528i N52 Join Date: Nov 2016 Location: Toronto iTrader: (0)	muffler delete on a 7 series? what are you doing? getting rid of your muffler isnt the right way to reduce backpressure on a turbo engine, hence what a downpipe is for.
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