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American Racing Headers 1-7/8-Inch Long Tube Headers with Catted Y-Pipe (19-23 5.3L Sierra 1500)

Item S525081
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Market Price $2,142.71 You Save 13% ($279.48)
Our Price

$1,863.23 (kit)

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      Product Information

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


      • Increase Horsepower and Torque
      • Provide a Beefier Exhaust Sound
      • Feature a Long Tube Header Design
      • Equipped with Catalytic Converters
      • Free Flowing TIG-Welded Tubing with Collectors
      • Highly Durable 304 Stainless Steel Construction
      • Rust-Proof Natural Finish
      • Intended for Competition Use Only
      • Does Not Have a CARB EO Number
      • Calibration Required for Operation
      • Made in the USA
      • Fits All 2019-2023 5.3L GMC Sierra 1500 Models


      Superior Competitive Performance. Set your truck up for intense, competitive performance with these American Racing Headers 1.87-Inch Long Tube Headers with Catted Y-Pipe. Featuring an improved design, these headers offer superior exhaust flow that increases power, allowing you to outperform other vehicles with relative ease.

      Remarkable Exhaust Sound. Engineered with a high-flow design, these Long Tube Headers deliver smooth and unrestricted exhaust flow. This allows you to enjoy a more robust exhaust sound that turns heads each time you rev the engine.

      High-Strength, High-Flow Cats. These Long Tube Headers are equipped with catalytic converters that have 200-cell metallic substrates to withstand intense performances. And with their high-flow design, these converters produce better performance than your truck’s restrictive factory converters.

      Heavy-Duty Quality. These Long Tube Headers are built to guarantee long-lasting performance. They are manufactured using 100% 304 stainless steel that is TIG-welded for precision and remarkable durability. Their flanges are made from 0.75-inch-thick, laser-cut material to ensure a warp-free seal and superior strength. Finally, these headers come with a corrosion-proof natural finish that adds a rugged appeal to your truck.

      Calibration Required. The use of these Long Tube Headers will require calibration. This allows you to take advantage of the full potential that these high-performance headers offer.

      Application. These American Racing Headers 1.87-Inch Long Tube Headers with Catted Y-Pipe are designed to fit all 2019 to 2023 5.3L GMC Sierra 1500 models.

      Application Note. Please note that these Long Headers are designed for competitive purposes only. Their use will void the legal status of your vehicle on public roads or highways.



      American Racing Headers 150382

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (2) Headers
      • (2) Collectors
      • (2) Flanges
      • (2) Catalytic Converters
      • (1) Y-Pipe
      • Installation Hardware

      Customer Reviews (5)

        Brand Image

        Reviews of American Racing Headers Exhaust products have an average rating of 5.0 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Sierra 1500

          • 3.0L I6 Duramax - 22
          • 5.3L V8 - 19, 20, 21, 22, 23
          • 6.2L V8 - 22