Bilstein B4 OE Replacement (Air) - Air Suspension Shock (26-281285) FITMENT_SPORT It features an optional boost/vacuum

It features an optional boost/vacuum port for applications where one pound of fuel pressure increase is desired per pound of boost

Enhances water/methanol delivery directly to the throttle body for optimal performance

Fully serviceable Injen 8-Layer Oiled Cotton Gauze air filter

Spline Teeth / Diameter: 17T / 13/16in

Bilstein B4 OE Replacement (Air) - Air Suspension Shock (26-281285) FITMENT_SPORT It features an optional boost/vacuumBilstein 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