ADVANTAGES OF METRA TURBOKITS: When possible Metra provides an extra storage pocket (specially on single din conversion kits) Holds Din or ISO Din units ISO Trim Rings are provided for a custom looking install Designed to match the exact color and size of each vehicle. No gaps can be seen and all installations using these kits will look great! Lifetime Warranty Made with the highest quality and precision out of any other brand Car specific CD Player removal and installation instructions included! Easy to install. Saves time because cheaper kits require more time to put them together Compatible Vehicles: Nissan Altima (2002-2004)