Air Intakes are one of the best upgrades. Are you looking for extra power for your engine? Do you want the added noise an air intake assembly creates? The rush and power of more air into your engine and only for such a low cost. Air Intakes are an upgrade done by many and the benefits are quite large. Installation should be a breeze. If you know how to hook up a vacuum cleaner, then installing an intake should not be a problem. There are two types of Air Intakes. There is the CAI and SAI. The difference is one is longer and goes inside your bumper to suck up the most cold air while the other one might have a heat shield and is more inside your hood.