I really like the different effects that you applied to it
, especially the smoke coming out from the front wheel .... I am not convinced a wing part, that in orizzonatale that in my opinion you should blur a little, it is too great that part, then I think the outside air intake in the side you should make a few other changes, such as a step clearly starts to snorkel (I'll definitely explained well, if I could I made you an example) , carbon spoiler bumper is wrong and then I circled in red that area because in my opinion it does not seem like the left side.
http://postimg.org/image/n74rvyujl/