Yes, a cold air intake can make a big difference for the RAM 1500. It will help improve your engine's performance and increase its power. This is because cold air intake draws and feeds colder, denser, and oxygen-rich air to the engine, which means more power for the same fuel. It also improves and makes the engine sound more growling. CAI feeds more oxygen to the engine than stock fittings. To see more power out of your RAM, you will need these performance upgrades for the RAM 1500 truck.