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Magnaflow Street Series Dual Exhaust System with Polished Tips; Rear Exit (09-13 6.2L Sierra 1500 Denali)

Item S501815
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      Product Information

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


      • Cat-Back Exhaust
      • Superior Exhaust Design
      • Offers Increased Horsepower and Torque
      • Improves Exhaust Tone for a More Aggressive Growl
      • 3" Diameter Mandrel-Bent Tubing
      • 409 Stainless Steel Construction
      • Dual Split Pipes Exit to the Vehicle's Rear
      • Fits 2009-2013 GMC Sierra 1500 6.2L Denali Models


      Improved Vehicle Performance. The Magnaflow Street Series Cat-Back Exhaust upgrades your Sierra's overall performance, boosting its horsepower, torque, and fuel mileage. This is all due to a design that reduces backpressure, improves exhaust scavenging, and smoothens gas flow.

      Deep Aggressive Exhaust Growl.
      In addition to designing products that improve vehicle performance, Magnaflow's engineers also aim to develop aftermarket systems that grab people's attention. Indeed, the company's premium line of Street Series exhaust systems was designed to provide a louder exhaust note with a more aggressive growl. You'll recognize the improvement that the Street Series Cat-Back Exhaust affords your truck once you hear its impressive sound.

      Built and Polished to Last. The Magnaflow Street Series Cat-Back Exhaust is made from 409 stainless steel, improving its resistance to chemical corrosion. This also has the added benefit of minimizing the need for regular maintenance checks.

      Application. This Magnaflow Street Series Cat-Back Exhaust with a Split Rear Exit is designed to be used on the 2009-2013 6.2L GMC Sierra Denali with the following cab and box configuration.
      • Crew Cab with the Short Box

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      Fitment: 2009 2010 2011 2012 2013 Details

      Magnaflow 15574


      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      What's in the Box

      • (1) Inlet Pipe Assembly
      • (1) 3.5" Clamp
      • (5) 3" Clamp
      • (1) Muffler
      • (1) Mid Pipe Assembly (Driver's Side)
      • (1) Mid Pipe Assembly (Passenger's Side)
      • (1) Extension Pipe
      • (1) Tailpipe Assembly (Driver's Side)
      • (1) Tailpipe Assembly (Passenger's Side)

      Tech Specs


      Customer Reviews (100+)

        Questions & Answers

        10 More Questions

        Will It Fit My Sierra 1500

        • 6.2L V8 - 09, 10, 11, 12, 13

        Designed for Denali Models Only.

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