Banks ram-air intake system replaces the factory's flat panel filter with a large conical lifetime filter that provides maximum high-flow filtration. The ram-air's opening dwarfs the stock's inlet, and without the 90-degree detours that choke airflow and kill power. The huge inlet, enclosed housing and much larger tubing reduce restrictions, dramatically improving airflow to the cylinders. The results are impressive: banks ram-air outflows the stock intake by 73 percent, improving the jeep's power and fuel economy. And banks ram-air is designed to accommodate engine movement, which prevents component damage for reliable service life. Fits 07-11 jeep wrangler jk w/ 3. 8l banks ram air intake system filter housing type full enclosure filter type oil inlet tube included filter housing material abs plastic filter housing finish black intake tube material abs plasticintake tube finish coated state legal 50 state outflows stock by 73 percent.