Bilstein B6 14-18 BMW 328d xDrive Front Left Strut Assembly 2011-audi-tt-quattro-base-esi9379557 Our Axle-Back system replaces the

Our Axle-Back system replaces the factory rear muffler and is a direct bolt-on product for ease of installation

Add Adapter 60693 for Crew Cab with Standard Bed (8') 176" wheelbase vehicle

This module works together with a smartphone app to allow the user to fine tune the parameters which controls the switching from Comfort to Sport on the electronic dampers

This system has Dual Mode NPP valves and is specifically tuned for use on the ZL1 Camaro

performance

Bilstein B6 14-18 BMW 328d xDrive Front Left Strut Assembly 2011-audi-tt-quattro-base-esi9379557 Our Axle-Back system replaces theBilstein B6 Performance (DampTronic) dampers are a performance upgrade to OE dampers designed to be paired with OE factory springs. All of the active features of the factory electronic suspension, along with the factory controls, will be retained with the installation of these dampers. Each damper is rigorously tested for quality that meets or exceeds OE standards and features application specific valve settings with a monotube design to bring out the