Find aftermarket Exhaust Kits for your Peterbilt 379. These exhaust kits are designed to provide enhanced performance, improved fuel efficiency, and a distinctive style to the iconic Peterbilt 379. You can find a variety of exhaust configurations, including straight stack, angled stack, and turnout styles, as well as different stack heights and diameters to suit your preferences. Choose from plenty of finishes, like stainless steel or chrome. In addition to the exhaust systems, we offer related accessories such as elbows, clamps, and hardware to ensure a complete and seamless installation.