Seville performance parts, like the throttle body spacer, are designed to make your car more powerful while allowing it to sip gas. A Seville throttle body spacer is one of the best first upgrades you can make to your car. The new addition of a Seville performance part is going to unleash all the ponies that the factory kept caged. An upgraded Seville nitrous kit will tell your engine just how much power to make at certain times. Your car will become more powerful and easier to run when you install a new Seville nitrous system. NOS out your Caddy to make it a better car. All of these Seville performance parts are made to keep your car running hard and smooth for a long time.