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Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet; 409 Stainless (Universal; Some Adaptation May Be Required)

Item HS65408
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      Product Information

      Features, Description, Q&A, Specs & Installation

      Features & Specs

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      • Body Height 4.00 In
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      • Body Length 18.00 In
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      • Body Material 409 Stainless Steel
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      • Body Width 5.00 In
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      • Category Exhaust
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      • Clamps Included No
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      • Color Black
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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
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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 Center
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      • Inlet Outside Diameter 2.63 In
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      • Inlet Quantity 1
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      • Inlet Type Clamp-On
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      • Muffler Series HP-2 Series
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      • Muffler Type Laminar Flow
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      • Outlet Connection Slip-Fit
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      • Outlet Inside Diameter 2.50 In
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      • Outlet Location Center
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      • Outlet Outside Diameter 2.63 In
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      • Outlet Quantity 1
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      • Outlet Type Single
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      • Overall Length 24.00 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 Moderate
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      • Tunable No
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      • Universal Or Specific Fit Universal
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      • Vehicle Type 4/6 Cyl Engine
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      • Fits Universal; Some Adaptation May Be Required
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      Description

      High-Performance Muffler. The Flowmaster Super HP-2 18-Inch Center/Center Oval Muffler; 2.50-Inch Inlet/2.50-Inch Outlet; 409 Stainless is engineered to provide improved exhaust flow while delivering a moderate sound level suitable for street use. It enhances engine performance by reducing backpressure and is ideal for a wide range of vehicle types including street rods, muscle cars, and trucks.

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      Construction and Appearance. Constructed from durable 409 stainless steel, this muffler features a sleek oval chamber design finished in high-temperature black paint. The laminar flow technology inside ensures smooth exhaust flow and a distinctive tone while promoting longevity through corrosion resistance.

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      Installation. Installation requires basic mechanical skills involving slip-fit inlet and outlet connections designed for clamp-on or weld-on attachment. No additional drilling is necessary, though some adaptation may be needed due to universal fitment.

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      Warranty. This muffler is backed by a lifetime limited warranty, providing assurance of its quality and durability.

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      Application. Designed as a universal fit muffler, it fits a broad spectrum of 4 and 6-cylinder engines and muscle car configurations. Some adaptation is required to fit specific exhaust setups due to its universal design.

      Flowmaster 12518409

      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) Super HP-2 Muffler

      4.7

      Reviews of Flowmaster Exhaust Products (500+)

      Questions & Answers

      No questions about this product yet. Ask the First Question