Bilstein B4 OE Replacement 04-10 Audi A8 Quattro / 04-06 VW Phaeton Rear Left Air Suspension Spring 2012-ford-fusion-sel-esi1189713 It features the mellow Touring

It features the mellow Touring sound

By changing the block off plates behind the center tip you can adjust the SPL (Sound Pressure Level) to your taste

full-bodied sound without any drone

75" diameter system is designed for vehicles that come from the factory with single tips and are NOT with Dual Mode Exhaust (NPP) valves

75" diameter Axle-Back system delivers the classic S-Type sound level with no drone inside the vehicle

Bilstein B4 OE Replacement 04-10 Audi A8 Quattro / 04-06 VW Phaeton Rear Left Air Suspension Spring 2012-ford-fusion-sel-esi1189713 It features the mellow TouringBilstein B4 OE Replacement (Air) dampers are designed to replace the original air suspension systems on many European brand vehicles. Bilstein is an OE supplier for air suspension systems; the quality of these products meets, and typically exceeds, the standards set forth by the vehicle's manufacturer. Bilstein B4 OE Replacement (Air) dampers are designed to connect directly into the original connectors on the vehicle, ensuring modification free