Bilstein B4 OE Replacement 11-16 BMW 535i xDrive Front Right Twintube Strut Assembly 2010-audi-s4-base-esi4466039 Our Cat-Back(tm) systems were developed

Our Cat-Back(tm) systems were developed and tuned for the supercharged 6

or optional Borla(r) tips

The directional design provides the aggressive ATAK(r) sound

The full direct bolt-on mandrel bent high quality austenitic stainless steel Cat-Back(tm) is over 25 pounds lighter than stock while flowing over 200cfm more air

Bilstein B4 OE Replacement 11-16 BMW 535i xDrive Front Right Twintube Strut Assembly 2010-audi-s4-base-esi4466039 Our Cat-Back(tm) systems were developedBilstein 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