Bilstein B4 OE Replacement 89-90 BMW 525i/535i Front Twintube Strut Cartridge 2013-mazda-3-i-esi7744946 drivers get the sound and

drivers get the sound and looks they expect from the world's most winning exhaust

5" diameter into dual 3" system

75" diameter Tail Pipes are intended to add the Dual Mode Exhaust (NPP) valves to Borla(r) systems 11920

5" ID inlet

Bilstein B4 OE Replacement 89-90 BMW 525i/535i Front Twintube Strut Cartridge 2013-mazda-3-i-esi7744946 drivers get the sound andBilstein 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