CartRemove itemThumbnail imageProductPriceQuantitySubtotal × Audi TTS ECU Software Upgrade (SHIP IN ECU) $699.99 Audi TTS ECU Software Upgrade (SHIP IN ECU) quantity $1,399.98 × Audi RSQ3 Custom In-House Dyno Tuning $1,069.99 Audi RSQ3 Custom In-House Dyno Tuning quantity $1,069.99 (incl. tax) Coupon: Apply coupon Update cart Cart totalsSubtotal$2,469.97 (incl. tax)Service / Financing / Processing$132.15Total$2,602.12 (includes $78.65 Tax)- Proceed to checkout