This build comes from TAG Motorsports, our authorized dealer in Los Angeles, California. This Mugello Blue Audi RS4 features a set of ADV5 Track Function CS Series two-piece concave forged wheels. For this build, these are sized 20x10 in the front and 20x10 in the rear. The wheels feature a Brushed Aluminum finish for the centers and Polished Aluminum finish for the lips.