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Dembflyr · 11-05-2012, 02:35 PM

Maybe an exhaust leak. Have you removed the O2 sensors? Or have you had the headers out? It doesn't sound like a knock to me either but it's tough to tell on video.

11-05-2012, 02:35 PM	#15 (permalink)
Dembflyr Track Member Join Date: Feb 2010 Location: Indiana Posts: 886 Drives: G37S Sedan Rep Power: 16	Maybe an exhaust leak. Have you removed the O2 sensors? Or have you had the headers out? It doesn't sound like a knock to me either but it's tough to tell on video. __________________ 2012 G37S Sedan 6MT - Project Practicality 2009-6MT-Sport/Touring-Dembflyr's Journal-TT Build Thread-CAR IS SOLD