The additional space increases the volume between your 1994-95 Mustang 5.0l throttle body and cylinder improving volumetric efficiency.
Air/fuel charge is thoroughly mixed for complete burn for increased horsepower, torque, and improve the throttle responce.
I have been ordering items from Latemodel Restoration for many years. I've found them to be exceptionally professional, timely with order processing and shipping correct items ordered. I've never received an incorrect item on an order.