Cart “Porsche 958 Cayenne 3.6L ECU Software Upgrade (SHIP IN ECU)” has been added to your cart. Continue shoppingRemove itemThumbnail imageProductPriceQuantitySubtotal × 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$3,299.98Service / Financing / Processing$176.55Total$3,476.53 (includes $11.55 Tax)- Proceed to checkout