Audi S4 (upgrades)

Upgrade Prices
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Pro Kit Formulas

 * Required Cards
 * Tires (D) (×8)
 * Suspension (D) (×8)
 * Drivetrain (D) (×8)
 * Exhaust (D) (×8)
 * Early Tech (×6)
 * Initial Tech (×6)
 * V6 Engine (x4)
 * Total Cost
 * (only Pro Kits)