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AFE Large Bore-HD 4-Inch DPF-Back Dual Exhaust System with Black Tips; Side Exit (20-24 6.6L Duramax Sierra 2500 HD)

Item HG10149
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Our Price

$785.00 (each)

FREE Shipping Market Price $895.99 You Save 12% ($110.99)

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Ship to: Ashburn - 20149
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Total cost of service $299.00
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features & Specs

      • DPF-Back Exhaust System
      • Mandrel-Bent Pipes
      • MIG-Welded for Maximum Durability
      • Computer-Assisted Design
      • High Tolerance Factory Fitment
      • Clamp-On Exhaust Tips
      • Made from 409 Stainless Steel
      • Built-In Mitered Merge Collector
      • Two Year Warranty
      • Professional Installation Recommended
      • Fits 2020-2024 6.6L Duramax Sierra 2500 HD


      DPF-Back Dual Exhaust System. If you're still using your OEM factory exhaust then your Sierra may be missing out on some serious performance. It's time you bring out the big guns and lock n' load with these AFE Large Bore-HD 4-Inch DPF-Back Dual Exhaust System with Black Tips; Side Exit. Expertly designed to improve horsepower and throttle response, this Exhaust System is a monster addition to your rig and will give it that aggressive speed demon look.

      Superior Performance to OEM. Integrated in to the design of this DPF-Back Exhaust is a Mitered Merge Collector to significantly decrease turbulence and increase exhaust velocity letting loose your engine's untapped horsepower, better torque and improved throttle response.

      Hardcore Durability. Utilizing computer-aided design, this exhaust system is precision measured for a high tolerance factory fitment and minimal manufacturing flaws. Made from 4-Inch 409 stainless steel, it is mandrel-bent and MIG welded for uncompromised durability.

      Warranty. There is a 2-year warranty on this product.

      Installation. For the safety of your hardware during removal and replacement, professional installation is recommended.

      Application. The AFE Large Bore-HD 4-Inch DPF-Back Dual Exhaust System with Black Tips; Side Exit fits 2020-2024 6.6L Duramax Sierra 2500 HDs.


      • 2020 GMC Sierra 2500
      • 2021 GMC Sierra 2500
      • 2022 GMC Sierra 2500
      • 2023 GMC Sierra 2500

      AFE 49-44126-B

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Exhaust System

      Customer Reviews (1)

        Brand Image

        Reviews of AFE Exhaust products have an average rating of 4.7 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Sierra 2500

          • 6.6L V8 Duramax - 20, 21, 22, 23