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AFE Apollo GT Series 4-Inch Single Exhaust System with Black Tip; Side Exit (20-23 6.6L Gas Sierra 2500 HD)

Item HG3111
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Our Price

$611.60 - $674.30

FREE Shipping Market Price $702.99 You Save 13% ($91.39)

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      Product Information

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

      Features & Specs

      • Aggressive Exhaust Note without Drone
      • Improves Exhaust Flow for More Power
      • High Flow Muffler Design
      • Mandrel-Bent, 4-Inch Diameter 409 Stainless Steel Tubing
      • Single 5-inch Black Stainless Steel Exhaust Tip
      • Rear Side Exit Exhaust - Behind Wheel
      • Straight Forward Installation
      • Fits 2020-2023 6.6L Gas Sierra 2500 HD


      Aggressive Sound and Power. Wake up the sound of your 2500 HD Sierra with an AFE Apollo GT Series 4-inch Single Exhaust System. By replacing the factory exhaust with a Apollo GT Series Exhaust you will add an aggressive exhaust note to your gas powered 2500 HD Sierra, without any drone. This Apollo GT Series Exhaust won't only improve the sound of your 2500 Sierra, but it will also improve its power as well. By eliminating the restrictive stock muffler and piping, you will increase exhaust flow for a noticeable increase in both power and performance.

      High Quality Construction. AFE proudly manufactures their Apollo GT Series Exhaust Systems from high quality T-409 stainless steel tubing for superior strength and enduring corrosion resistance. Featuring ultra smooth mandrel bent 4-inch diameter piping and a high flow muffler, this AFE Cat-Back will significantly out flow your truck's original factory exhaust system. This system also includes a 5-inch black finished stainless steel exhaust tip for impressive good looks.

      Direct Bolt-On Installation. This AFE Cat-Back Exhaust was engineered to be a direct bolt-on upgrade replacement. This Cat-Back Exhaust System will easily bolt straight up to the factory piping without any cutting, modifications or special tools required for an easy straight forward installation that can be completed in about two to three hours.

      Application. This AFE Apollo GT Series 4-Inch Single Exhaust System with Black Tip; Side Exit is designed to fit 2020-2023 6.6L Gas GMC Sierra 2500 HD models. Please select your application from the options available.


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

      AFE 49-44122-B


      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • Mid-Pipe
      • Muffler
      • Over Axle Pipe
      • Tail Pipe
      • Tip
      • Clamps

      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