Bilstein B4 2009 Audi A4 Base Front Shock Absorber Engine Components>Throttle Bodies This system produced gains of

This system produced gains of up to +10 HP and +17 lbs

Oiled Air Filter Element

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muffler is used to absorb high pitch tones producing a powerful sound and unleashing more horsepower and torque potential

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Bilstein B4 2009 Audi A4 Base Front Shock Absorber Engine Components>Throttle Bodies This system produced gains ofBilstein 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.