If you want a 2 1/16"/52mm gauge that looks and acts like a stock gauge for your B6/B7 chassis A4, A3 or TT look no further. These gauges look like they are meant to be there, with their matching gauge faces and evenly lit LED illumination. Like all our boost gauges, the Audi White boost gauges have our NoBuzz™ technology and comes pre-wired with connectors, tubing and fittings for a complete and simple solution.