Cart “PORSCHE CAYENNE 958 S / GTS 4.8L ECU Software Upgrade (SHIP IN ECU)” has been added to your cart. Continue shopping “Porsche 958 Cayenne 3.6L ECU Software Upgrade (SHIP IN ECU)” has been added to your cart. Continue shoppingRemove itemThumbnail imageProductPriceQuantitySubtotal × PORSCHE CAYENNE 958.2 S / GTS 3.6L TT ECU Software Upgrade (SHIP IN ECU) $2,139.99 PORSCHE CAYENNE 958.2 S / GTS 3.6L TT ECU Software Upgrade (SHIP IN ECU) quantity $2,139.99 (incl. tax) × PORSCHE CAYENNE 958 S / GTS 4.8L ECU Software Upgrade (SHIP IN ECU) $1,799.99 PORSCHE CAYENNE 958 S / GTS 4.8L ECU Software Upgrade (SHIP IN ECU) quantity $1,799.99 × 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 Coupon: Apply coupon Update cart Cart totalsSubtotal$5,439.97 (incl. tax)Service / Financing / Processing$291.04Total$5,731.01 (includes $159.04 Tax)- Proceed to checkout