Bilstein B4 OE Replacement 15-18 Audi A3/A3 Quattro Front Twintube Strut Assembly Interior Accessories>Shift Knobs 67% Greater cold side flow

67% Greater cold side flow area than stock (3

BAR or kPa (PAS) -See your boost in the units you prefer

5" high-flow boost tubes

and AWE's Non-Resonated Downpipes are suited for owners seeking the loudest AWE has to offer have to offer in the S4 line up

free-flowing tube with a 4 inch outside diameter

Bilstein B4 OE Replacement 15-18 Audi A3/A3 Quattro Front Twintube Strut Assembly Interior Accessories>Shift Knobs 67% Greater cold side flowBilstein 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.