hey wats up. i have a question for you guys. i am in looking to buy a cobra but i have come across a 03 roush stage 3 and i am wondering wats the difference between the cobra and the roush. is there a difference in the blocks or a huge difference in the superchargers? they both have the same horsepower stock i just want to kno wats the difference like engine, suspension, rearend, etc? thanx