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Kooks 3-Inch High Flow Catted Y-Pipe (14-18 5.3L Sierra 1500 w/ Long Tube Headers)

Item S500726
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      Product Information

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


      • Catalytic Converters Included
      • Wide Pipe Diameter
      • Connects to Stock Exhaust
      • Made from Stainless Steel
      • Race Ready Design
      • Requires Kooks Long Tube Headers
      • Not Intended to be Used with Forced Induction Applications
      • Fits 2014-2018 5.3L GMC Sierra 1500's


      Racing Quality Part. Although your 5.3L Sierra is naturally powerful and speedy, you do have to make some changes if you want to successfully race in it. This Kooks 3 in. High-Flow Catted Y-Pipe is race-ready and fit for sports applications.

      Sturdy Design. Constructed out of stainless steel, the pipe (and the Kooks Headers it must be used with) are very strong. They can endure the pressures of racing and sports use. The pipe connects to the OEM outlet for stock exhaust for secure and seamless integration as well.

      Made for High-Performance Applications. Offered with the race-quality catalytic converters included, this pipe is designed for high-performance function. Its pipe is 3 inches wide in diameter for extreme exhaust flow.

      Application. Not legal in California, this Kooks 3 in. High-Flow Catted Y-Pipe is designed to fit the 2014-2018 5.3L GMC Sierra's equipped with Kooks Long Tube Headers.

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      Kooks 28603200

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Y-Pipe

      Customer Reviews (3)

        Brand Image

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

          Questions & Answers

          10 More Questions

          Will It Fit My Sierra 1500

          • 5.3L V8 - 14, 15, 16, 17, 18

          Requires the use of Kooks Long Tube Headers for installation.

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