Cart “Porsche 911 CARRERA S/4S/GTS (991.2) ECU Software Upgrade” has been added to your cart. Continue shoppingRemove itemThumbnail imageProductPriceQuantitySubtotal × Porsche 911 S/4S/GTS (991.2) Handheld Programmer $2,674.99 Porsche 911 S/4S/GTS (991.2) Handheld Programmer quantity $2,674.99 (incl. tax) × Porsche 958 Cayenne 3.6L ECU Software Upgrade (SHIP IN ECU) $1,499.99 Porsche 958 Cayenne 3.6L ECU Software Upgrade (SHIP IN ECU) quantity $1,499.99 × Porsche 911 CARRERA S/4S/GTS (991.2) ECU Software Upgrade $1,999.99 Porsche 911 CARRERA S/4S/GTS (991.2) ECU Software Upgrade quantity $1,999.99 Coupon: Apply coupon Update cart Cart totalsSubtotal$6,174.97 (incl. tax)Service / Financing / Processing$330.36Total$6,505.33 (includes $196.61 Tax)- Proceed to checkout