The air intake system on your 1999-2004 SVT Ford Lightning is one of the most important components of your engine. For an engine to operate properly, you must have an adequate mixture of air, fuel, and spark. If any of these components are not functioning correctly, your engine will either run lean or rich, causing a misfire condition. In order to keep your air intake system running its best, you need to ensure it is repaired, restored, and upgraded as needed. LMR.com has everything you need to keep your 99-04 Lightning running its best with air intake components such as throttle bodies, cold air kits, and mass air meters.