Quick Smarty Jr Update Question
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Quick Smarty Jr Update Question
I know this has probably been asked before but a quick search yielded no results. I've noticed a constant haze with the Smarty Jr installed on my truck and would like to try out the reduced smoke version. My question is this...... do I have to return my truck to stock (or need to) before updating the Smarty Jr with my computer? I think I would need to but I'm not really sure.
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