Protect the exterior of your Freightliner M2 Business Class and other drivers on the road with a set of mud flaps from 4 State Trucks. We have a huge selection of custom and aftermarket mud flaps so you can find a set to show off your personal style or favorite brand. Find mud flaps, weights, hangers, and more online and in-stock. Safeguard your Freightliner against dings and dents from rocks and other debris on the road with a new pair of mud flaps form 4 State Trucks.