Sleek Styling. These Axial Mustang Headlights have stealthy smoked lenses to give any 1999-2004 mustang an aggressive appearance on the street or the strip. And the one piece design fitted and compatible with perfectly into the stock location for a clean sleek look. Improves Visibility. Now you can improve your night visibility and mustangs looks just by replacing your old weathered and scratched stock headlights with a brand new set of headlights from Axial. Bulb application. These Axial Headlights require dual element 9007 bulbs for high/low beams (sold separately). Application. This pair of Axial Dark Smoked Headlights is designed to be used on all 1999-2004 Mustangs.