Liberty City, year 2008.
Internal Affairs discovered that FIB was taking many bribes. They reported it to major and now FIB has been replaced with S.T.J.R, Special Trained Japanese Recruits, they also have new equipement- Black Perennials after engine tuning.

Obviously this mod changes FIB agents look to japanese (with a new model) and changes their buffallo to black perennial with real siren on the roof.