You will want this Toyota 4Runner security system made to factory specifications for your vehicle not an aftermarket system that may not be compatible to your vehicle and could be easily disarmed. You will receive a complete installation kit when purchasing this Toyota 4Runner security alarm for your vehicle so you will have all the necessary components to finish the installation process. No cutting will be required when you purchase this factory Toyota 4Runner security system for your 4Runner since it is designed to perfectly fit your specific vehicle because of the correct design. Because this Toyota 4Runner alarm system is OEM you know it will operate correctly and also the installation will be a straight forward process with all connectors matching up so here will be no confusion.