Bilstein B4 1999 Audi A4 Base Rear Twintube Shock Absorber 2007-bmw-525i-base-esi7944870 S-Type Sound Level

S-Type Sound Level

Valve actuator recalibration REQUIRED after installation (Click for details)

Alternate muffler with notched necks is 400484

5" diameter Borla(r) High Clearance Climber / Rock Crawler Cat-Back(tm)system is designed with ground clearance in mind

Bilstein B4 1999 Audi A4 Base Rear Twintube Shock Absorber 2007-bmw-525i-base-esi7944870 S-Type Sound LevelBilstein 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