(1 photo of a 2005 Redfire Red Roush Stage 2 Mustang Coupe) Redfire 2005 Mustang Roush Stage 2 coupe with a supercharger. Awesome shot eh? The front grille and fog light surrounds are also painted Redfire. This is a Roush factory conversion - serial number 05-0071. It has a black interior with red seat inserts. It wears a set of huge 1- inch wheels. That RoushCharger gives the engine a total of 485 horsepower.