Valvetronic Design Porsche Exhaust Valve Controller Q5 5 layers of progressively finer

5 layers of progressively finer mesh cotton media and 360-degree radial flow provide maximum airflow and performance

AERO6 calipers were designed for the specific purpose of providing big capacity braking with large diameter rotors for heavy weight and extreme duty vehicles

If your car has this

Chevrolet: Caprice 70 - 72 6

Valvetronic Design Porsche Exhaust Valve Controller Q5 5 layers of progressively finerWelcome everyone to a revolution in the market. The Porsche OEM exhaust valve controller by Valvetronic Designs. This setup is a complete plug and play unit for most Porsches that give the driver full control over the exhaust valves. For cars like the 991. 1 Carrera S without sports exhaust, the factory exhaust has valves, but there is no button to open and close these valves. Our controller puts the power in your hands. These Controllers FIT ALL