can i pass smog with aftermarket exhaust? headers? high flow cats?
Jan 7, 2011 #1 E EMnuke123 Enthusiast Joined May 26, 2008 Posts 56 Reaction score 0 Location Summerville, SC can i pass smog with aftermarket exhaust? headers? high flow cats?
Jan 12, 2011 #3 S SSSSE YA Enthusiast Joined Nov 1, 2000 Posts 3,802 Reaction score 1 Location Simi Valley, CA, USA yes, I did with flying colors.
