Experimental Backfire/Afterfire Mod (now customizable and MOD COMPATIBLE) 0.0053

This update finally adds all the new vehicles to the mod.
It also adds a straight pipe exhaust to the Citybus, so you can see the flames coming out of the pipe, which looks kind of funny.

I might add some exhausts later so all the vehicles have an exhaust config that shows flames. ATM the modern ETKs dont really have exhausts which show any sooo...