Its called Gavril Rhino (for beam) iirc. The model seems like came from the NFSMW 2005 (Yea The Suv police boi with K-9 written on it) OT:
Flex you say? What on earth is a Flex? One does not simply Flex on another one's thread! I say! I've gone absolutely posh, this is madness! OT: Sorry for that, anyway, here's a big ol' Flex