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Flowmaster Super 44 Series Center/Offset Oval Muffler - 2.5 in. (Universal Fitment)

AmericanTrucks no longer carries the Flowmaster Super 44 Series Center/Offset Oval Muffler - 2.5 in. (Universal Fitment). Please check out 2014-2018 Sierra 1500 Exhaust for an updated selection.

Features & Details

  • Superior Performance Muffler
  • Ensures Augmented Torque and Power
  • Provides Aggressive Exhaust Tone
  • Features 2 Cutting-Edge Chambers
  • High-Quality 409S Stainless Steel Construction
  • Made with Race-Proven, Patented Delta Flow Technology
  • 2.5” Inlet/Outlet
  • 19” Overall Length
  • 9.75” Width
  • 4.0” Thickness
  • 13.00” Case Length
  • 5.00” Center to Center
  • Lifetime Warranty
  • Universal Fitment; Modifications Will Be Required
Superior Performance. The Flowmaster Super 44 Series Center/Offset Oval Muffler – 2.5 inches features two cutting-edge chambers that were expertly designed to enhance the exhaust tone. This superior performance muffler is the perfect upgrade for your GMC Sierra 1500. It was designed to ensure augmented torque and power. You’ll love the new aggressive exhaust note that this muffler will provide for your truck.

Race Proven Design. This muffler is 19 inches long and is made to last with high-quality 409S stainless steel construction. The durable case on this muffler is 13 inches long. It is manufactured with race-proven, patented Delta Flow Technology. The inlet and outlet both measure 2.5 inches, and the outlet will provide a stylish look at the back of your truck. The 9.75 inch muffler with a 4 inch thickness will provide long-lasting performance value for you in your GMC. The center to center width is 5 inches.

Lifetime Warranty. A limited lifetime warranty covering any craftsmanship defects is provided for this muffler. 

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 Super 44 Series Center/Offset Oval Muffler – 2.5 inch is designed to fit all 2007-2019 GMC Sierra 1500 models.

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

MPN# 842547

CA Residents: WARNING: Cancer and Reproductive Harm -

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