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Differential: High-Bias Torsen Center A4/S4/A5/S5
A4 (2006-2010) S4 (2009-2010) A5 (2008-2010) S5 (2008-2010) STaSIS differentials give you a big bang for your buck, adding grip and improving...
Exhaust: S5 4.2 Touring (2008+)
STaSIS exhausts give your vehicle a powerful tone at full throttle that stays refined during your commute. Learn more. Kit contents: ...
Exhaust: S5 4.2 Challenge (2008+)
STaSIS exhausts give your vehicle a powerful tone at full throttle that stays refined during your commute. Learn more. Kit contents: ...
Engine Software: S5 4.2 (2008+)
STaSIS engine software releases the full potential of your vehicle, providing reliable and smooth power increases without sacrificing day-to-day...
Suspension: S5 Coupe/A5 Challenge
A5 (2008+) S5 4.2 (2008+) STaSIS Challenge suspensions carefully balance the interdependent systems of springs, sway bars, and dampers with ride...
Suspension: S5 Coupe Touring with Rear Swaybar
S5 4.2 (2008+) STaSIS Touring suspensions give your vehicle an aggressive stance backed by aggressive handling. Learn more. Kit Contents:...
Wheels: 20x10 Cast for A5/S5 (set)
A5 (2008+) S5 (2008+) STaSIS cast wheels are larger and lighter than the stock cast wheels, giving you a grip and performance boost over the factory...
Brakes: 370-mm Mono6 for A4/S4/A5/S5/Q5
A4 (2009+), S4 (2009+), A5 (2008+), S5 (2008+) Q5 (2011+) STaSIS brake systems are engineered to improve your stopping power under any condition. Our...
Brakes: 390-mm Mono6 for A4/S4/A5/S5/Q5
A4 (2009+), S4 (2009+), A5 (2008+), S5 (2008+) Q5 (2011+) STaSIS brake systems are engineered to improve your stopping power under any condition. Our...
Brakes: 330-mm Rear for S4/S5 (2009+)
STaSIS brake systems are engineered to improve your stopping power under any condition. Our brakes, derived from race-winning technology, provide...
Wheels: FD11 20x10 forged for A5/S5
A5 (2009+) S5 (2009+) STaSIS forged wheels are extremely lightweight and strong, giving you better performance and maneuverability, reducing braking...