Free Shipping On Orders Over $75. Details

Talk to a Sierra Enthusiast
1-888-706-1096
M-F 8:30A-11P, Sat-Sun 8:30A-9P
Win $5,000 For Your Sierra !! Enter daily!

Flowmaster Super 40 Series Offset/Center Oval Muffler - 3.0 in. (Universal Fitment)

AmericanTrucks no longer carries the Flowmaster Super 40 Series Offset/Center Oval Muffler - 3.0 in. (Universal Fitment). Please check out 2014-2018 Sierra 1500 Exhaust for an updated selection.

Features & Details

  • High-Quality 40 Series Muffler
  • Intimidating, Deep Sound
  • Low, Noticeable Interior Resonance
  • Uses Data Flow Technology
  • Horsepower and Torque Gains
  • Improves Gas Mileage
  • Built with Larger Case Profile
  • 16 Gauge 409S Stainless Steel
  • Fully MIG Welded
  • Built in the USA
  • Limited Lifetime Warranty
  • Universal Fitment; Modifications Will Be Required
Upgrade Your Sound. Thanks to Flowmaster's 3.0 in. Super 40 Series Offset/Center Oval Muffler, you won't have to settle for your 2007-2019 GMC Sierra 1500's stock sound anymore. This muffler utilizes data flow technology to simultaneously give you a deep, intimidating exterior exhaust sound while minimizing interior resonance for a perfect ride all around.

Gas Mileage Improvement. This superior muffler also works to improve your truck's performance by boosting its horsepower and torque for a powerful drive on and off road. Also featuring gains in gas mileage, this muffler ensures your truck wins on the road and at the pump.

409S Stainless Steel. American-made for guaranteed quality, this muffler is constructed from high-strength 16-gauge 409S stainless steel, which is able to stand up to off road challenges easily. The muffler is also fully MIG-welded to give it an advanced durability for long-lasting use.

Warranty. This muffler comes with a limited lifetime warranty, which ensures you get the best materials and craftsmanship available.

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. Flowmaster's 3.0 in. Super 40 Series Offset/Center Oval Muffler perfectly fits all 2007-2019 GMC Sierra 1500s.

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

MPN# 853046

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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

    Customer Photos

      Q & A

      No questions about this product yet.

      Ask the First Question

        Reviews