Bilstein B4 OE Replacement (Air)-Air Suspension Strut (44-191177) 8021 a place where bigger really

a place where bigger really is better

and a DME/ECU Software Upgrade

Upgrade tubes for both hot and cold side of the intercooler

Restriction-Free Flow Throughout - Single piece mandrel bent tubing welded to a single piece merge collector removes unwanted steps

Manufactured with premium materials for enhanced strength and style

Bilstein B4 OE Replacement (Air)-Air Suspension Strut (44-191177) 8021 a place where bigger reallyBilstein 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