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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 S591123
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-10% $156.56 each Was $173.95

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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

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

      Superior Performance Muffler. The Flowmaster Super 40 Series Dual In/Dual Out Oval Muffler with 2.50-inch inlet and outlet delivers an aggressive, deep exhaust tone favored by muscle car enthusiasts and high horsepower vehicle owners. It enhances exhaust flow and reduces interior resonance, making it an excellent choice for street and strip applications where both sound and performance matter.

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      Construction and Appearance. Crafted from 16-gauge aluminized steel, this muffler offers exceptional durability and corrosion resistance. It features a high-temperature black paint finish for sleek aesthetics and longevity. The unit is fully MIG welded to ensure structural integrity under demanding conditions.

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      Installation. This muffler installs using slip-fit 2.50-inch dual inlet and outlet connections compatible with clamp-on or weld-on setups. Moderate installation skills are recommended; no drilling is typically required. Note that new hangers are necessary as they are not included.

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      Warranty. This product includes a manufacturer warranty to ensure quality and dependability.

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      Application. Fits universal applications with some adaptation required for specific installations. Suitable for a wide range of vehicles, including 4- and 6-cylinder engines, classic and late model muscle cars, street rods, street/strip vehicles, and trucks or SUVs.

      Flowmaster 9525454

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

      Installation & What's in the Box

      Installation Info

      Installation Time

      (approx) 1 Hour

      Difficulty Level:

      Simple installation for anyone.

      Installation Guides

        No guide available for this part yet.

      What's in the Box

      • (1) Muffler

      4.7

      Reviews of Flowmaster Exhaust Products (500+)

      Questions & Answers

      No questions about this product yet. Ask the First Question