Exhaust Mount Bushing Kit Poly Peterbilt Tailored specifically for Peterbilt trucks, these exhaust mounts are fully compatible with the models 348, 379, 388, and 389. They provide a flawless fit, ensuring a smooth installation and operation. Revitalize your Peterbilt's performance and silence the roar of the road with our dependable exhaust mounts. Ideal for drivers who demand excellence from their vehicles, these mounts are a small investment that delivers significant returns in comfort and durability. Ride smoothly, and prolong the life of your exhaust system. Grab your set of high-performance exhaust mounts today and experience the difference for yourself!