With this factory Toyota 4Runner security system you can be sure it was designed specifically for your 4Runner for proper fitment and operation since it is designed for your vehicle. This Toyota 4Runner security alarm includes all hardware and necessary components for ease of installation in your vehicle which is just one of the reasons to get the factory system. 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. For perfect operation insist on this factory Toyota 4Runner alarm system for your 4Runner which only makes sense if your going to get a product for your vehicle it should be a factory item.