Upgrade to the larger sport sway bar. 26.5mm
Upgrade to the larger sport sway bar. 26.5mm
Upgrade to the front 26.5mm & rear 21.7mm S4 sway bars
Fits the left and right side
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Staged handling upgrades to best optimize the handling performance of the Audi S4!
For vehicles built before 11/02/09
Staged handling upgrades to best optimize the handling performance of the Audi S4!
For vehicles built after 11/03/09
Reduce body roll and increase handling