MILLTEK Active Valve Control – Audi S4/S5 B9/New SQ5 [SSXAU677]

Active Valve Control: Operates through the vehicle’s ESP button and Audi Drive Select on compatible S4, S5 and SQ5 models.

More than 33 years of continuous exhaust development and technical expertise are drawn upon to develop the ultimate Milltek range of performance products, offering an ever-expanding comprehensive selection of performance exhausts which build on the successes of key marques like Audi, Volkswagen, Porsche, BMW and Nissan.