Express Smog Tune and Lube is a local Family owned and operated business. We are located on 2750 Jefferson St. in Napa. If you have any questions please don't hesitate to call us at (707) 224-7467. We service all makes and model of vehicles at this facility. Our expert technicians are highly experienced with the installation, repair, and replacement of exhaust systems and their components including catalytic converters, mufflers, manifolds and exhaust pipes.