If the tune is done correctly, it won't set any DTC's. When they plug in the computer, nothing will show up. When they do the visual, they will see all 4 O2's, and the cats, so you will likely be just fine.

 

Thanks for the reply's guys, makes feel a little better about installing them.

 

Pollution capital of the State maybe but not the states, the states would be here in kern county-Bakersfield and its outter smaller towns, ranked worst air in the US for along time an just getting worse, but atleast u guy have it easy on testing ,here they rape us on out testing-people only get away with some things for awhile because when you buy new you get a 6 year pass