Improves Power. A RedRock 4x4 Cold Air Intake kit will completely replace your JK Wranglers restrictive factory air box and paper filter element with a high flow filter assembly for a noticeable increase in horsepower and torque, all while providing filtration of harmful power robbing dust particles.No Tune Required. Unlike other Cold Air Intakes on the market for the 3.6L V6 Wranglers this RedRock 4x4 CAI does not require a computer re-tune. The engineers at RedRock 4x4 really did their homework to improve your JK's power using the factory tune.Reusable Conical Filter. Included in this RedRock 4x4 kit is a High Flow reusable conical air filter. So there is no need to go out and buy a new filter every few thousand miles. Just clean the filter, re-oil it, save money, and go!Easy Installation. The RedRock 4x4 Cold Air Intake kit is engineered to be easily install with just basic hand tools. There are no modifications required for a clean straight forward installation. All parts and instructions are included.Not CARB Certified. This RedRock 4x4 Cold Air Intake is not CARB certified, therefore it is not legal for use in California or other states adopting California emission standards. Not legal for use on pollution controlled motor vehicles; intended for off road use only.Application. This RedRock 4x4 Cold Air Intake System is specifically designed to fit the 2012-2018 JK Wranglers equipped with the 3.6L V6 engine and does not require re-tuning the vehicles computer for operation.