Peterbilt 389 Exhaust Parts

Boost performance. Turn heads. Keep your rig road-ready.

Aftermarket Peterbilt 389 Exhaust Replacement Parts

Upgrading your Peterbilt exhaust system is a great way to achieve a stronger driving performance. Whether you're chasing more power, a cleaner look, or replacing worn-out components, our aftermarket Peterbilt 389 exhaust parts deliver the performance, durability, and style your truck needs.

Enhance Your Exhaust Flow Performance

Stock exhaust systems get the job done, sure—but aftermarket upgrades take things to the next level. Add chrome exhaust stacks for bold curb appeal. Swap out a restrictive muffler for one that improves airflow and throttle response. Go with polished tips or angled cuts to give your rig a look that stands out on the road or at the truck stop. Exhaust upgrades help to: - Reduce backpressure and increase efficiency - Improve sound and engine performance - Custom finishes for a show-quality look - Available in various diameters and heights to fit your exact style

Replace Worn-Out or Broken Parts with Ease

Exhaust parts take a beating from road grime, heat cycles, and corrosion. If you're dealing with rusted brackets, loose clamps, or a failing DPF, we’ve got the reliable replacement parts you need to keep rolling. Choose from: - Mufflers, heat shields, flex pipes, and elbows - Exhaust clamps, gaskets, and hanger brackets - DPF & DOC system components for emissions compliance - Direct-fit solutions for hassle-free install on your 389

Why Choose Aftermarket Exhaust Parts for Your Peterbilt 389?

- Extend the life of your truck with durable, corrosion-resistant parts - Upgrade your truck’s power and efficiency with performance exhaust components - Add a customized look with chrome, black, or polished options - Stay DOT-compliant with reliable DPF system replacements - Fix common exhaust leaks and vibration issues with fresh clamps and brackets
Whether you're replacing worn components or going for a full performance upgrade with Peterbilt 389 suspension frames for more stable exhaust stacks, improved fuel storage system components, or improved Pete 389 engine cooling components, our extensive lineup of aftermarket solutions can help you truly trick out the Peterbilt 389 model.