Developing of an effective modem of transport is what gave way to the making of the automobile. But demands for luxury and sporting have spun the needs to a whole new level. If you own a car, then you know that upgrades go without saying right? But there are four parts that you need to first consider first when giving your automobile a performance make-over. These four will give you better results than the other many that will meagerly change the output. These include headers, throttle body, exhaust and the cold air intake system.