It looks like a nice build except for those rear tires not being in center with the rear wheel well.
Cobras are not centered in the rear, they sit slightly forward in general.
Also, the lip is different as this is one of the transition cars as I recollect meaning its not a std HiTech its one of the 17 or so that were built with a slight change in the frame and rear wheel well design. Think it was an engineering change when cars were being transitioned at the end of HiTech MFG.