The Dynaflex Exhaust Kit 2X - Peterbilt T4/389 from Dynaflex is a genuine Dynaflex heavy-duty truck part you can count on. Finished for a clean, sharp look and designed for a straightforward bolt-on installation.
Get the best premium exhaust kits now! Double Bend
Fitment: Confirm this part fits your truck's make, model, and year before ordering — our parts team is glad to help.
Why Fitzgerald Truck Parts: fast shipping on in-stock parts, our fitment guarantee, and real heavy-duty parts experts on the phone. Questions? Call 888-873-0448.
