Jan 8, 2010 #1 1218shelby forum member Joined Jun 15, 2009 Posts 128 Reaction score 0 Location Los Angeles so i had the Shelby GT re-tuned.. new #'s.. 456rwhp and 401rwtq. So i gained 22 hp and 18 tq.. Thanks to Greg at RET..
so i had the Shelby GT re-tuned.. new #'s.. 456rwhp and 401rwtq. So i gained 22 hp and 18 tq.. Thanks to Greg at RET..