Bilstein B6 2013 BMW X1 xDrive28i Rear Shock Absorber 1989-porsche-944-s2-esi2784021 If your car has 1

If your car has 1 tip on each muffler and you want to upgrade it to 2 tips on each muffler (also know as quad tips)

the aerospace-bred BORLA® exhaust is like money in the bank

25" diameter BORLA Cat-Back™ system is a True Dual design

System features Sound Suppressing Exhaust Valves

Bilstein B6 2013 BMW X1 xDrive28i Rear Shock Absorber 1989-porsche-944-s2-esi2784021 If your car has 1Bilstein B6 Performance dampers are a performance upgrade to OE dampers designed to be paired with the OE factory spring. These dampers offer application specific valve settings with a monotube design to bring out the best handling performance of a vehicle. Each damper is rigorously tested for quality that meets or exceeds OE standards. B6 Performance dampers will provide improved safety and handling performance with the added benefit of world famous