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Discover an extensive selection of top-quality semi-truck exhaust parts at 4 State Trucks to elevate your rig's style and performance. Whether you're seeking exhaust pipes, clamps, reducers, couplers, or sleek exhaust tips, we've got you covered with durable products from leading manufacturers like Dynaflex and Lincoln Chrome. Our premium aftermarket exhaust components are designed to leave a lasting impression on the road, allowing you to customize your truck to perfection. Elevate your truck's style and performance with 4 State Trucks' premium aftermarket exhaust components.

Semi-Truck Exhaust Parts

Looking to upgrade your rig's exhaust system? You've come to the right place. Whether you need semi-truck exhaust stacks, replacement pipes, or a complete setup from turbo to tip, we’ve got everything you need to keep your truck breathing right and looking sharp.

Shop for Aftermarket Semi Truck Exhaust Parts

Your semi truck’s exhaust system does more than just move fumes out of the engine—it plays a huge role in performance, emissions control, and style. That’s why we carry a massive selection of heavy duty exhaust parts built to handle the toughest jobs on the road. From chrome stacks to diesel particulate filters, every piece is designed to improve exhaust flow, reduce emissions, and match your truck’s unique look.

What's Included?

Our online inventory includes:
  • Exhaust stacks – Straight, curved, mitered, bull hauler, and custom cut options.
  • Exhaust pipes – Y-pipes, elbows, reducers, and expanders in various diameters.
  • Mufflers and resonators – Control noise while maintaining backpressure.
  • Heat shields and brackets – Protect nearby components and enhance safety.
  • Clamps and hangers – Secure your pipes and make installation a breeze.
  • Diesel Oxidation Catalysts (DOCs) and Diesel Particulate Filters (DPFs) – Keep your emissions system compliant.
  • Aluminized or chrome finishes – Choose your style and level of corrosion resistance.
  • Whether you’re building a dual exhaust system or replacing a worn section of pipe, we have the parts to get the job done right. And if you’re looking for a comprehensive upgrade, consider adding fuel-efficient truck engine parts to your big rig, or an upgrade to your fuel tank system.

    Fits to Your Truck Model

    We stock exhaust parts for all major brands—Peterbilt, Kenworth, Freightliner, Volvo, and more. Need to match your stack height, pipe diameter, or mounting location? No problem. With dozens of lengths, bends, and styles to choose from, you’ll find components that fit your truck’s specific requirements without the guesswork.

    Exhaust Stacks That Make a Statement

    Let’s be real—stacks are about more than function. They’re a signature of your rig’s personality. Whether you're into tall bull hauler stacks, miter cuts, or something sleek and curved, you’ll find the right style to turn heads and stand out on the road. We carry polished chrome and aluminized options, both built for long-lasting durability and easy cleaning.

    Biggest Benefits

    - High-quality, road-tested parts. - Competitive pricing on everything from clamps to complete kits. - Knowledgeable service to help you find the right setup. - Fast shipping so you're not stuck waiting in the shop.

    Upgrade Your Exhaust System

    From turbo connections to tall chrome stacks, we carry the semi truck exhaust stacks and heavy-duty exhaust parts you need to modify, maintain, or completely replace your system. Whether you're chasing better performance, fewer emissions, or that polished custom look—we’ve got you covered.

    Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!