For those enthusiasts who have purchased hose from another vendor and are looking for an inexpensive way to properly attach it to your spindle and focus the air at the center of your rotor, we have your solution, Quantum’s duct plate kits. Our Mustang street kit features TIG welded aluminum construction. The plates are powdercoated and come with all the necessary hardware to bolt them to your spindle. We even include stainless hose clamps you can attach your existing hose.