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Flowmaster Super 40 Series Dual In/Dual Out Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet (Universal; Some Adaptation May Be Required)

Item S591087
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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

      • Body Height 5.00 In
      • Body Length 13.50 In
      • Body Material 409 Stainless Steel
      • Body Width 10.00 In
      • Category Exhaust
      • Clamps Included No
      • Emission Code 5
      • Exhaust Tip Quantity 0
      • Finish Natural
      • Fitment Universal; Some Adaptation May Be Required
      • Grade Type Performance
      • Hanger Included No
      • Heat Shield Attached No
      • Inlet Connection Slip-Fit
      • Inlet Diameter 2.50 In
      • Inlet Inside Diameter 2.50 In
      • Inlet Location Dual
      • Inlet Outside Diameter 2.63 In
      • Inlet Quantity 2
      • Inlet Type Clamp-On
      • Inlet Type Weld-On
      • Mount Type Uses New Hangers Not Included
      • Muffler Series Super 40 Series
      • Muffler Type Chambered
      • Outlet Connection Slip-Fit
      • Outlet Inside Diameter 2.50 In
      • Outlet Location Dual
      • Outlet Outside Diameter 2.63 In
      • Outlet Quantity 2
      • Outlet Type Dual
      • Overall Length 19.50 In
      • Part Type Exhaust Muffler
      • Product Type Street Mufflers
      • Reversible No
      • Shape Oval
      • Sound Level Aggressive
      • Tunable No
      • Vehicle Type 4/6 Cyl Engine Classic Muscle Car Late Model Muscle Car Street Rod Street/Strip Truck/SUV

      Description

      Performance Chambered Muffler. The Flowmaster Super 40 Series Dual In/Dual Out Oval Muffler with 2.50-Inch inlet and outlet delivers an aggressive exhaust tone with deep, powerful sound ideal for high horsepower vehicles. Designed for street and strip use, it enhances exhaust flow while providing a distinctive, aggressive sound signature.

      Construction and Appearance. Constructed from durable 16 gauge 409 stainless steel, this muffler features a fully MIG welded design ensuring long-lasting durability. Its natural finish and black exterior provide a sleek, straightforward appearance that complements performance-focused exhaust systems.

      Installation. This muffler is designed for universal fitment using dual slip-fit inlet and outlet connections with options for clamp-on or weld-on installation. Some adaptation may be required during installation, and new hangers are necessary but not included. Generally, installation does not involve complex modifications.

      Warranty. This product is backed by a limited warranty, providing confidence in its quality and durability.

      Application. Fits universal applications; some adaptation may be required for specific vehicle installations.

      Flowmaster 8525454

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

      4.7

      Reviews of Flowmaster Exhaust Products (500+)

      Questions & Answers

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