Peterbilt 389 Modified v1.9 1.21

Peterbilt 389 v1.9 change log:

added shorter 6×4 chassis for day cabs
added extended 6×4 and 8×4 chassis
now complete lowered chassis, front and rear
updated parts for new chassis options
added 2 new fender, double round with lamp slots, and paint half fender
added tri axle fender
added new rear lightbar
added new round back lights
added tank accessory, fairings and tank panel, panel comes in chrome and paint
added 351 & 359 style front lights paint option
added 2 new exhausts, 7″ Bull Horn and 8″ Bull Horn
made the GPS now allways visible
made the Areo Kit from Ultracab Sleeper now optional
reworked backside slots
added optinal “clean look” , as separate file
fixed some some UV maps
bug fixes