Audi RS4 Gets 580 HP Thanks to Whipple Kompressor and Mcchip – Photo Gallery

Audi has stopped all production for the RS4 and, according to our information, the replacement won’t be ready for delivery until early 2018. That means the models that have already been made are precious commodities, to be treated like royalty by the die-hard quattro fans. At its best, the RS4 is only a 450 horsepower wagon that looks rather dorky. But the tuners at Mcchip-DKR have extracted pure gold from the 4.2-liter engine.