C Chatmanboy Member Joined Jun 25, 2009 Jun 26, 2009 #1 Do upgrading the turbo have an affect on the smog results?
N notacarlo eggs are liquid chicken Joined Jan 7, 2004 Jun 26, 2009 #2 No. As long as all of the emission controls are still intact. EGR, cat converter, good 02 sensor.
