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Flowmaster 40 Series Offset/Offset Oval Muffler; 3-Inch Inlet/3-Inch Outlet (Universal; Some Adaptation May Be Required)

Item S104192
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Market Price $115.99 You Save 14% ($16.81)
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$99.18 (each)

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      Product Information

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


      • 40 Series Flowmaster Muffler
      • Aggressive and Throaty Sound
      • Oval, Chambered
      • 16-gauge, Aluminized Steel
      • Black
      • 3” Inlet Pipe, Offset
      • 3” Outlet Pipe, Offset
      • Body Dimensions 13” x 4”
      • Overall Length 19”
      • Sold Individually
      • Simple Installation
      • 3-year Limited Warranty
      • Universal Fitment; Modifications Will Be Required


      More Power, Less Noise. Improving the sound and power of your Silverado 1500 has never been easier than with this Flowmaster 40 Series Oval Muffler with 3”, offset inlet and outlet pipes. Its chambered design will give you an aggressive exhaust tone, with noticeable resonance from the interior. The idea is to be able to hear the fantastic sound from within the car as well as out, meaning that this muffler is the perfect addition for both off-road driving and street driving.

      Solid Construction. This 40 Series Oval Muffler from Flowmaster is made from 16-gauge, aluminized steel, making it very durable and corrosion-resistant. It is fully MIG-welded and finished in an attractive black, and it is this advanced, solid construction that gives you the heavy-duty appearance. The baffles within the muffler improve both the horsepower and fuel economy, giving you a powerful drive with an amazing supercar sound. With muffler dimensions of 13” x 4”, the overall size including pipes is 19”, and it is supplied without tips.

      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.

      Warranty. Flowmaster supply a 3-year limited warranty for all their aluminized steel mufflers.

      Application. This Flowmaster 40 Series Oval Muffler with 3”, offset inlet and outlet pipes is designed to fit any 1999-2022 Chevy Silverado 1500 model.

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      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Muffler

      Customer Reviews (12)

        Questions & Answers

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