
The Driveshaft Shop 3.5-inch one-piece aluminum shaft for Ford Mustang GT (2005 and later) is listed for use with the Magnum XL six-speed conversion. Presented as a direct-fit driveshaft sized to accommodate that conversion, the description ties the shaft to Mustang GT applications using the Magnum XL transmission package as specified in the source.
DSS Ford 05+ Mustang GT with Magnum XL 6spd Conversion 3.5in 1-Piece Aluminum Shaft FDSH9-A-MAG2