Bilstein B4 OE Replacement 04-10 Audi A8 Quattro / 04-06 VW Phaeton Rear Right Air Suspension Spring 2006-jeep-wrangler-x-esi4877911 5" diameter BORLA® Axle-Back system

5" diameter BORLA® Axle-Back system is designed for use on EcoBoost cars WITHOUT the Active Exhaust feature

This system fits both the short bed crew cab and extended cab

use factory tips

75" diameter system and is designed for vehicles with Dual Tips and Dual Mode Exhaust (NPP) valves

Bilstein B4 OE Replacement 04-10 Audi A8 Quattro / 04-06 VW Phaeton Rear Right Air Suspension Spring 2006-jeep-wrangler-x-esi4877911 5" diameter BORLA® Axle-Back systemBilstein 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