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OrbitalEllipses · 10-24-2012, 09:05 PM

On my WRX I just used two spark plug anti-foulers screwed into each other; one was drilled out to make room for the O2 sensor. Stock placement worked fine, never got a code.

10-24-2012, 09:05 PM	#4
OrbitalEllipses Banned Join Date: Jan 2012 Drives: Attitude Location: MD Posts: 10,046 Thanks: 884 Thanked 4,890 Times in 2,903 Posts Mentioned: 123 Post(s)	On my WRX I just used two spark plug anti-foulers screwed into each other; one was drilled out to make room for the O2 sensor. Stock placement worked fine, never got a code.