It's could also be mod. A saw somewhere a hack that let's you customize your car how ever you want. But online your the only one that can see it unless the other person has the hack installed as well. Just a visual
I play on an iPad air. And it's just flawless. From graphics to animations nothing is getting stuck and there is no lag either. On my iphone 5 tho it's a diff story I can't even spin the car around in the garage it gets stuck that's how bad it is