We are now carrying Coast performance aluminum driveshafts for the S197 (and GT500 coming soon). These are some of the best driveshafts as far as drive ability goes. They use a 4 inch aluminum 1 piece shaft that is perfectly balanced before it ships. See installed pics - Here
2005-2009 Mustang GT Coast Performance 1-Piece Aluminum Driveshaft
http://www.stage3motorsports.com/ass...vsnewhires.jpg
