Features:

46ft & 50ft in length.
Always free updates. 
Paintable, skin-a-ble or rock the aluminum finish!
Tarp open or tarp closed?  You decide! 
B4rt Light pack compatible.  
KSW works if you own the light pack.
Custom light boxes on the hoppers and in front of each 50ft chassis
6 Different chassis setups to choose from.  Lift/steerable to tandem and spread!
Paintable chassis frames, or if you prefer there is black as well
Under Cables (cali hookups) available on every chassis (only on 46ft for now)
Custom made visible loads.
2 different chassis hose color options, orange or black!
Numerous fender options per chassis
Plenty of mudflap options.  From weighted to customizable or branded flaps.  Can be added to the rear of the trailer as well as in front of the landing gear and in between the spread axle as well as the new 3 axle lift/steerable option. 
Small front flaps can be added to the front corners of the trailer.
Numerous tarp arm options to fit your style.  Chrome arms, black arms, chrome with painted cover or we have the manual tarp option!
EZ Flow Electric trap doors & side mount hopper vibrators custom fitted by our good friend Damos for that extra feel of realness.
A ladder and/or step can be added to the front or back of the trailer.
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Credits
Pizz