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The Radium King · 10-19-2014, 12:34 PM

aftermarket air filters are typically oiled - the oil fouls the maf. happened to me more than once, hence now an advocate for the 987 airbox conversion over any aftermarket filters or intakes.

10-19-2014, 12:34 PM	#11
The Radium King Registered User Join Date: Apr 2010 Location: Canada Posts: 3,121	aftermarket air filters are typically oiled - the oil fouls the maf. happened to me more than once, hence now an advocate for the 987 airbox conversion over any aftermarket filters or intakes.