Another vehicle unveiled by Roush Performance this week is a Sleeper Mustang of sorts, the 2010 Roush 540RH, a limited content model with the same powertrain from the Roush Stage 3 Mustang and minimal Roush accessories.* The 2010 Roush 540RH will have the same ROUSHcharged 4.6-liter V-8 with forged internals as the Stage 3 model and only a ...
