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Flowmaster 80 Series Offset/Offset Same-Side-Out Oval Muffler; 2.50 Inlet/2.50 Outlet (Universal; Some Adaptation May Be Required)

Item FR52424
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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 17.00 In
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      • Body Material Aluminized Steel
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      • Body Width 10.00 In
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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 Offset
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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, Weld-On
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      • Mount Type Uses New Hangers Not Included
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      • Muffler Series 80 Series Crossflow
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      • Muffler Type Chambered Transverse
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      • Outlet Connection Slip-Fit
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      • Outlet Inside Diameter 2.50 In
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      • Outlet Location Offset Same End
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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 20.00 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 Aggressive
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      • Sub Category Mufflers
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      • Tunable No
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      • Vehicle Type Classic Muscle Car, Late Model Muscle Car, Street/Strip
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      Description

      Aggressive Performance Muffler. The Flowmaster 80 Series Offset/Offset Same-Side-Out Oval Muffler with 2.50-inch inlet and outlet delivers a powerful muscle car sound designed for side-exit exhaust systems mounted forward of the axle. It is ideal for vehicles seeking an aggressive tone both inside and outside the cabin, offering dynamic exhaust flow without compromising performance.

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      Construction and Appearance. Crafted from durable 16-gauge aluminized steel, this muffler is fully MIG welded for maximum strength and longevity. The exterior is finished with high-temperature paint that enhances corrosion resistance and provides a sleek black finish suitable for street and strip applications.

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      Installation. This muffler features slip-fit inlet and outlet connections compatible with standard 2.50-inch pipes and can be installed using clamp-on or weld-on methods. Installation may require new hangers and some adaptation or drilling depending on the vehicle’s exhaust configuration.

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      Application. Designed for universal fitment, this muffler suits classic and late model muscle cars as well as street and strip vehicles. Some adaptation may be necessary to accommodate various exhaust setups and vehicle types.

      Flowmaster 52580

      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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