Safeguard your Peterbilt 389 and other drivers on the road from mud and other debris with new aftermarket mud flaps. We have a large selection of aftermarket and custom mud flaps, weights, and accessories specifically designed for your Peterbilt. We hand select the best parts in the business to deliver you a quality selection at unbeatable prices. Show off your brand loyalty while protecting your Peterbilt with new mud flaps from 4 State Trucks.