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Iam Broke · 08-16-2013, 08:22 PM

If you had the WB post cat it'll read a few % lean compared to what it measures pre cat. The cats were working. Since you punched them WYSIWYG.

08-16-2013, 08:22 PM	#5
Iam Broke PHAT B33 Drives: 2012 TF3 Camaro 2SS/RS M6 Join Date: Jun 2012 Location: Dark of the Moon Posts: 1,460 View My Garage	If you had the WB post cat it'll read a few % lean compared to what it measures pre cat. The cats were working. Since you punched them WYSIWYG. __________________ Another 1 of 371 '12 T3 LS3 M6's built.