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Jumbosock · 01-23-2018, 03:53 PM

Also, if you swap out just the air filter for a drop in K&N or BMC filter you will not fail. You can also remove that anti-backflow filter thingy above the air filter.

01-23-2018, 03:53 PM	#16
Jumbosock Captain 76 Rep 987 Posts Drives: 2007 M coupe Join Date: Apr 2011 Location: San Diego iTrader: (0)	Also, if you swap out just the air filter for a drop in K&N or BMC filter you will not fail. You can also remove that anti-backflow filter thingy above the air filter.
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