No Mustang carburetors here! For improving fuel injection, you have to start with a Mustang throttle body for your Ford Mustang! Professional Products, BBK, Ford Racing and Accufab all have great Mustang throttle bodies and Latemodel Restoration Supply has them. Multiple sizes along with Mustang throttle body gaskets, throttle body adapters and EGR spacers, make for an easy install on your 5.0L or 4.6L. A couple of minutes makes power you can feel with a new throttle body!