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Flowmaster 50 Series Delta Flow Aluminized Center/Offset Oval Muffler; 2.25-Inch (Universal Fitment)

Item S503466
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Market Price $127.63 You Save 12% ($14.68)
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$112.95 (each)

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      Product Information

      Features, Description, Q&A, Specs & Installation


      • Moderate-Sounding Muffler with Mild Tone In-Cab
      • For Street Rod Cars and Trucks
      • Boost Engine Efficiency, HP, and TQ
      • Constructed from 16-Gauge Aluminized Steel
      • Delta Flow Technology for Less Internal Resonance
      • Black; MIG Welded
      • 2.25 in. Center In; 2.25 in. Offset Out
      • 3-Year Limited Warranty
      • Easy Installation
      • Universal Fitment; Modifications Will Be Required


      Up the HP and TQ. This 50 Series Delta Flow 2.25 in. Center/Offset Oval Muffler from Flowmaster offers boosts in horsepower and torque that you've been craving for your Sierra 1500. Also, save money over time with a more efficient engine and rest easy knowing you've chosen a durable 16-gauge aluminized muffler.

      Moderate Exterior Volume. Flowmaster designs this 50 Series High Performance Muffler with a moderate exterior sound so you won't wake up the neighbors, but it's got more to it than a whisper. Inside the cab, you'll hear barely anything thanks to the innovative Delta Flow tuning chamber that reduces internal resonance.

      2.25 in. Center/Offset. Flowmaster makes this oval black muffler in the USA for street rod cars and trucks. Featuring a 2.25 in. center in and 2.25 in. offset out, this 16-gauge aluminized steel muffler is totally MIG welded for maximum durability. Rest easy with a manufacturer's 3-year limited warranty included.

      Modifications Required. This Muffler was designed to be used on mutliple applications, as it is not a direct fit replacement part. In order to install this Muffler properly on your vehicle, some modifications to the exhaust system will be required.

      Application. The Flowmaster 50 Series Delta Flow 2.25 in. Center and 2.25 in. Offset Oval Muffler is fit for 2007-2020 GMC Sierra 1500s.

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      Fitment: 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

      Flowmaster 942452

      CA Residents: WARNING: Cancer and Reproductive Harm -

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Muffler

      Reviews of Flowmaster Exhaust Products (100+)

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

        Questions & Answers

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