 In addition, it was equipped with a "hockey stick stripe" appearance package in lieu of the two racing stripes found on the Sport through Stage 3 models.In 2008, Roush produced the limited edition 428R Mustang (followed by the limited edition 429R Mustang in 2009), which was the same concept as the previous year's 427R, but featured a horizontal nine-bar grille, Sparco captive hood pins, and a chrome supercharger.Four and six-piston brakes were an option on both cars, but not standard.