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Flowmaster 40 Series Offset/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)Find parts that fit my vehicle

Item S503464
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$89.96
16 Reviews
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-10% $89.96 each Was $99.95

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      Product Information

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

      Features & Specs

      • Deep, Flowmaster Sound
      • Boosts Horsepower and Torque
      • High Performance 40 Series
      • Built from Aluminized Steel
      • Black Finish
      • Simple Installation
      • 3-Year Limited Warranty
      • Universal Fitment; Modifications Will Be Required

      Description

      Deep, Flowmaster Sound. Announce your arrival with a Flowmaster 40 Series Muffler. This 40 Series muffler provides a deep, aggressive sound while also allowing your engine to breathe better. Less exhaust backpressure means more power and torque. Fuel economy is also improved with a Flowmaster muffler. Measurements include a 3” inlet and outlet, 13” long case, and 19” overall length. There’s no easier way to transform your truck’s sound and performance than with a Flowmaster 40 Series muffler.

      Built from Aluminized Steel. Flowmaster mufflers are built tough, right here in the USA. This 40 Series muffler is constructed from durable aluminized steel. MIG-welding provides a structure that will stand the test of time. To resist corrosion, the muffler features a black powder coated finish.

      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.

      3-Year Limited Warranty. Flowmaster backs its 40 Series Mufflers with a 3-year limited warranty. Some exclusions may apply, please see manufacturer’s warranty information for details.

      Application. This Flowmaster 40 Series Muffler fits all 1999-2025 GMC Sierra 1500 models.

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      Flowmaster 43043

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

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Muffler
      5.0

      Customer Reviews (16)

      Questions & Answers

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