STaSIS Present AUDI S5 CABRIO CHALLENGE EDITION

North American performance powerhouse STaSIS Engineering has unveiled the ultimate version of the Audi S5 Cabriolet – the 410 bhp Challenge Edition – which is now available for British customers for the first time.Designed to unleash the car’s competitive instincts, the STaSIS Engineering S5 Cabriolet Challenge Edition adds race developed technology to Audi’s luxury convertible. Power and torque