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Flowmaster FlowFX Single Exhaust System with Black Tip; Side Exit (14-18 4.3L Sierra 1500)

Item S510570
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Market Price $542.34 You Save 12% ($62.39)
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$479.95 (kit)

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      Product Information

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


      • Delivers a Moderate Exhaust System Sound
      • Increases Horsepower and Torque
      • Features a Straight-Through Muffler
      • With a 3-Inch Main Tubing
      • Made of Stainless Steel
      • Has a 4.50-Inch Black Ceramic Coated Exhaust Tip
      • Single Side Exit Location
      • Easy Bolt-On Installation
      • Not CARB-Certified
      • Fits 2014-2018 4.3L GMC Sierra 1500 Double and Crew Cab Models


      Moderate Exhaust System Sound. If you’re not a fan of a loud exhaust note, then this Flowmaster FlowFX Single Exhaust System with Black Tip is best for you. This exhaust system only delivers a moderate exhaust system sound enough to catch the attention of everyone. Featuring a straight-through muffler design, this exhaust system does not only make your truck stand out from the crowd but it also improves your truck’s driving performance.

      Improves Driving Performance. Upgrading to this Flowmaster FlowFX Single Exhaust System will help improve your driving performance. This exhaust system effectively expels your truck’s exhaust gases with its large 3-inch main tubing and 4.50-inch exhaust tip. With a better exhaust flow, your truck will gain more horsepower and torque, allowing you to conquer challenging trails.

      Made of Stainless Steel. This exhaust system is made of stainless steel. This material is known for its strength and high resistance against rust and corrosion. Furthermore, this exhaust system comes with a black ceramic coated tip to give your truck a more aggressive exterior.

      Easy Bolt-On Installation. To facilitate an easy installation, this exhaust system is designed to directly bolt onto your truck’s factory mounting points. For added convenience, it is suggested that you use a penetrating lubricant to quickly disassemble your truck’s factory parts before mounting the new exhaust system.

      Application. This Flowmaster FlowFX Single Exhaust System with Black Tip is engineered to fit 2014 to 2018 4.3L GMC Sierra 1500 Double and Crew Cab models.

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      Fitment: 2014 2015 2016 2017 2018 Details

      Flowmaster 717857

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Muffler
      • (1) Exhaust Tip
      • (1) Inlet Pipe
      • (1) Extension Pipe
      • (1) Tailpipe Assembly
      • (3) Stainless Band Clamps
      • (4) Hanger Keepers

      Customer Reviews (7)

        Reviews of Flowmaster Exhaust products have an average rating of 4.6 out of 5

          Questions & Answers

          10 More Questions

          Will It Fit My Sierra 1500

          • 4.3L V6 - 14, 15, 16, 17, 18

          Designed for Double Cab and Crew Cab models.