The “Shot Caller” was unveiled in the MTX Audio booth at the 2007 SEMA show. According to its creator, Marketing In Motion (MIM), the pimped R550 is the first 

Link: MIM
Verdian Hendik
The “Shot Caller” was unveiled in the MTX Audio booth at the 2007 SEMA show. According to its creator, Marketing In Motion (MIM), the pimped R550 is the first 

Link: MIM