Nice and quiet. smooth ride. Perfect fit and easy installation. The shaft is slightly larger than the Motorcraft, which buckled when I hit one of the giant potholes in Hawaii. Hawaii uses such poor material on its roads that if someone spits out of the window in the morning there will be a 10 inch deep pothole. If you hit that new hole at 50 mph, good luck with your suspension! I hope this continues. The rear is quite long and I repositioned and zipped the trunk so they don't get crushed asβ¦