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Flowmaster 50 Series Delta Flow 409S Center/Offset Oval Muffler - 2.25 in. (Universal Fitment)

AmericanTrucks no longer carries the Flowmaster 50 Series Delta Flow 409S Center/Offset Oval Muffler - 2.25 in. (Universal Fitment). Please check out 2014-2018 Sierra 1500 Exhaust for an updated selection.
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Features & Details

  • Delta Flow Oval Muffler
  • Moderate Exterior Sound
  • Mild Interior resonance
  • Ideal for Trucks
  • Increased Horsepower & Torque 
  • Improved Engine Efficiency
  • Stainless Steel Construction
  • Light to Moderate Installation
  • Limited Lifetime Warranty
  • Universal Fitment; Modifications Will Be Required
Three is Better than Two. The Flowmaster 50 Series Delta Flow Center/Offset Oval Muffler - 2.25" utilizes patented three chamber Delta Flow technology with an internal tuning chamber in order to reduce inside sound to a mild resonance. This muffler design offers the same performance as the two chamber design with a moderate exterior sound.

Stainless Steel Construction. Constructed using 16 gauge 409S stainless steel which has been fully MIG welded to achieve maximum durability. An ideal addition to your truck, this Flowmaster center/offset muffler will increase horsepower and torque while simultaneously improving fuel efficiency.

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.

Lifetime Limited Warranty. Flowmaster stainless steel mufflers are covered against material and workmanship defects for as long as they're owned by the original purchaser. See complete warranty for details.

Application. The Flowmaster 50 Series Delta Flow Center/Offset Oval Muffler - 2.25 in. will fit 2007-2019 GMC Sierra 1500 trucks.

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

MPN# 842452

CA Residents: WARNING: Cancer and Reproductive Harm -

What's in the Box
  • (1) Muffler
Installation Info

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