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Dont have a smarty yet. First comes intake and gauges. And sure I am happy with the stock preformance, but with all the idiots out there I could use a little coal
One of the best damn investments for my truck was the smarty. But the other two are the intake and exhaust (which I just had redone). I'll try to snap some pics tomorrow. It made it so quiet in the cab but I'm pretty sure its still loud as a motha outside.