Brute Force Intake System Polished aluminum;Maximizes power;Gain up to 13.3 horsepower;Dryflow synthetic filter never needs oiled;AEM1-4001 prefilter sold separately;Meets CARB and Federal emissions;CARB EO Number: D-670-6 JEEP WRANGLER (TJ) SE 2004 2005 2.4L Power-Tech (148) GAS AEM AEM Brute Force Air Intake System - 21-8308DP 21-8308DP Air Intake Kits