The K&N 77 Series High Flow Air Intake is designed to replace your Jeep Wrangler JK 2012+ restrictive factory air filter. This air filter dramatically reduces intake restrictions as it smooths and straightens air flow. It allows your JK’s engine to inhale more air than the OEM air filter assembly and provide more usable power and acceleration throughout the engine’s RPM range. Polished aluminum finish Washable and reusable Free-flowing mandrel-bent aluminum tube induction system Kit Includes:- Head Shield- Air Filter- Filter Adapter- Edge Trim- Hose Clamps- Couplers- Necessary Hardware CARB NOTICE:This application is CARB approved for 2012-2015 model years. Not legal in California for 2016-2018 models. CARB E.O. Number D-670-15 Fits:Jeep Wrangler JK 2 Door (2012-2018)Jeep Wrangler JK 4 Door Unlimited (2012-2018)