Bilstein B4 OE Replacement 11-13 BMW X5 L6 3.0L/V8 4.4L Rear Left Twintube Strut Assembly 2011-bmw-x5-xdrive50i-esi1576490 25' Cat-Back™ system delivers the

25' Cat-Back™ system delivers the aggressive ATAK® sound with no drone inside the vehicle

High-temperature continuous-filament fiber (CFF) acoustic material for sound control

free-breathing mufflers and smooth computer numerical control (CNC) mandrel bent high-quality T-304 austenitic stainless steel exhaust pipes

Fits models with Quad Tips (2 tips each side) ONLY

race-winning XR-1 Raceline technology

Bilstein B4 OE Replacement 11-13 BMW X5 L6 3.0L/V8 4.4L Rear Left Twintube Strut Assembly 2011-bmw-x5-xdrive50i-esi1576490 25' Cat-Back™ system delivers theBilstein B4 OE Replacement dampers are specifically engineered to be the best choice for maintaining the original ride quality of your vehicle, while meeting or exceeding OE standards. These dampers are the ideal choice for the driver looking to restore the original performance and handling of their vehicle, with the added benefit of world famous Bilstein quality. Restores original driving comfort, handling and safety High power reserves for maximum