If you’re worried that your engine will overheat because of all the stress you put it through on off-roading adventures, then yes, a new air kit will be worth it. The #1 purpose of any air filtration unit is to maximize the airflow and ensure safe temperatures for the motor. At the same time, if you expect the intake system to greatly improve the Jeep’s performance, you might be a bit disappointed.
Most consumer-level systems only provide a slight boost in HP/torque, mileage, and throttle response. Plus, what they write in the specs doesn’t always apply to real-life situations. The actual gains depend on a lot of things, starting with how hot it is in your area and how heavy the vehicle is.