I saw them also but I buy all my parts from CJ pony, they usually have free shipping promo every couple of months to Canada and that's when I order my stuff, so far I bought all the mods and never had a issue.
13' Mustang GT 5.0L Grabber Blue 401a, 6spd manual, Brembo brake pkg with Boss radiator, engine oil cooler, Torsen differential & 3.73 gears. Back up camera with Navigation.
Mods - Flowmaster Outlaw, Roush front, side, rear splitter. Roush hood scoop + quarter window louvers, Barton 2 piece shifter bracket