Made in the USA Light weight aluminum Tapered one piece design Fits 2005 to 2014 Mustangs Weighing in at roughly 24lbs less than the stock factory driveshaft this one piece driveshaft greatly reduces rotating mass. Tapered for clearance, the driveshaft features a tapered 3.5" to 4" design giving extra clearance needed to avoid interference that can happen on lowered Mustangs with a full 4" shaft. This one piece aluminum driveshaft is built per order specifically for use on the 2005 to 2014 Mustangs.