My friend's s2k looks similar to his. My friend has a AP1 and Sarosh has a AP2 with CR Lip. That's probably the only way you can tell the difference. lol
Here is a pic of both cars.
<a href="http://www.flickr.com/photos/pgphoto7/8213317850/" title="179898_504905252860047_1257754364_n by przem18, on Flickr"><img src="http://farm9.staticflickr.com/8480/8213317850_3b01160872_c.jpg" width="800" height="533" alt="179898_504905252860047_1257754364_n"></a>