CA Smog???
Posted: Wed Jan 30, 2013 7:15 pm
Will the Predator 91 Octane tune on my Dodge Ram make me fail a smog test, do I need to set it back to factory first? I was also wondering; can I use 91 octane with octane boost to run the 93 octane tune? We dont have 93 octane here in CA.
