that would be a pretty close match. the Roush mustang isnt lite, but i think its a couple hundred pounds lighter than the gt 500. it also has better suspension, weight distribution, and is a MUCH better car IMO.The Roush mustang owner claimed his car had a dyno tuned 442rwhp. My question is how much rwhp does the new cobra have?? can i assume that this Roush Mustang was about the same performance as the new cobra with 500hp??