Overall good, the front is good,the tailight is bit too centered, it would be nice if its has a rear diffuser (using a diffuser mod from the workshop or manualy make ones using bumper bars).
Why does a 9 litre only produces 600bhp?
Try increase the valve timing(vvt) and use race intake and headers
Unsupported HyperX G450T - Pony Car - RandyTheCarGuy v0.1
Mustang GT - American