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Magnaflow Street Series Single Exhaust System with Polished Tip; Side Exit (07-13 4.3L Sierra 1500)

Item S502356
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      Product Information

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


      • Improves Horsepower and Torque
      • Throaty Exhaust Note
      • Durable 409 Stainless Steel Construction
      • 3" Diameter Mandrel-Bent Tubing
      • 4" Polished Stainless Steel Tip
      • Single Exit After Rear Passenger Side Tire
      • Direct Bolt-On Installation
      • Made in the USA
      • Fits All 2007-2013 4.3L GMC Sierra Models


      Magnaflow Performance. Have you been longing for that smooth, low growl for your 4.3L powered GMC Sierra? Look no further than this Magnaflow Street Series Performance Cat-Back Exhaust. Engineered to last for those seeking increased performance and better economy, this exhaust system delivers the smooth, deep sound you want and the wide-open performance power you desire.

      Power and Strength. Made from 409 stainless steel and mandrel-bent, this exhaust features a straight-through flow design for the ultimate in unrestricted horsepower and torque for major power while maintaining efficiency. They are also made in the USA.

      Installation. In approximately two hours or less, you’ll be back on the road turning heads with your new and improved ride. This kit comes with all the necessary parts and hardware you will need. Should you need some help along the way, there are installation videos available online. Still a little hesitant as to whether this exhaust kit is for you? Magnaflow backs it with a lifetime construction warranty to give you added peace of mind.

      Application. This Magnaflow Street Series Single Side Exit Cat-Back Exit is designed to be used on the 2007-2013 4.3L GMC Sierra's with the following cab and box configurations.
      • Regular Cab with the Standard Box
      • Extended Cab with the Standard Box - 2010-2013 Model Years Only
      • Crew Cab with the Short Box - 2010-2013 Model Years Only

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      Magnaflow 16742




      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Intermediate Pipe
      • (1) Muffler
      • (1) Tailpipe
      • (2) Clamps

      Tech Specs


      Customer Reviews (100+)

        Questions & Answers

        10 More Questions

        Will It Fit My Sierra 1500

        • 4.3L V6 - 07, 08, 09, 10, 11, 12, 13

        Designed for the Regular Cab with the Standard Box, Extended Cab with the Standard Box (2010-2013 Only) and the Crew Cab with the Short Box (2010-2013 Only).

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