The video is fairly long at 15 minutes but there is plenty of racing content. The bikes are all modified and the breakdown is as follows:
-WildB 175lbs---04 ZX-10R: lowered, Intake cam, thin head gasket, Akrapovic, OZ wheels, -1f/+2r sprockets.
-Ness 165lbs---BMW S1000RR: Akrapovic, Strapped front, -1f/+1r sprockets, factory QS.
-MrAssholebyNature 205lbs---Gen2 ZX-14R: lowered, Brocks, Woolich flash, PCV, QS.
-Stinky 200+lbs---Gen3 ZX-10R: TwoBrothers pipe, not much else.
-Black Indian 200ish lbs---09 GSXR 1000: Yoshi pipe, lots of chrome.
-Keith 200+lbs---Gen1 ZX-14: Full Brocks, geared, unknown if other mods.