Milltek Sport 'ValveSonic' Active Valve Control Module - Audi RS4 and RS5 (B9) Braking which decreases the amount of

which decreases the amount of oil that is able to enter the intake

thus reducing the effect of fade

This part is sold for motorsport and off road use only and will NOT be able to pass a UK MOT emissions test or police road side checks

4 (Garrett Turbo / 245ps)

Milltek Sport 'ValveSonic' Active Valve Control Module - Audi RS4 and RS5 (B9) Braking which decreases the amount ofMilltek Sport 'ValveSonic' Active Valve Control Module Audi RS4 and RS5 (B9) Introducing a brand new product line from Milltek Sport the 'ValveSonic' Active Valve Control Module. Switching solution that gives you complete control of your vehicle's active exhaust valves. This kit integrates with your vehicles canbus control system and allows manual control of the exhaust valves independently of the 'Audi Drive Select' system. Vehicle Fitment Exhausts