If you've got the money, just eliminating the drivetrain clunk makes this mod a worthwhile investment IMO.swiss-cobra said:@NHRACobra: That's true... the terrible Mustang "CLUNK" was the main reason ==> I'm a DD, so smoother shifting also a big benefit of the c/f driveshaft.
@venum03: Stock driveshafts are aluminum. My PST c/f has the steel yoke, but i'm not sure if it is 3 1/4" or 3 3/4", I guess it's a 3 3/4"...