Description
The Flowmaster American Thunder Direct Fit Muffler is designed for 2009–2024 RAM 1500 Classic body trucks with the 5.7L HEMI engine and factory dual tailpipes. This muffler delivers Flowmaster’s signature deep, aggressive exterior sound while keeping the interior noise at a moderate level thanks to its built-in resonator.
Constructed of 409 stainless steel, the muffler features a 3.00-inch mandrel-bent inlet flowing into a 50 Series HD™ chambered muffler with large 4.00-inch internals. The design ensures maximum performance and enhances exhaust flow. The dual 2.25-inch outlets attach using factory hanger locations, allowing for a quick and easy bolt-on installation. Backed by Flowmaster’s Lifetime Limited Warranty, this direct-fit muffler offers durable construction, superior sound quality, and simple installation for RAM 1500 owners.
Fitment (Separate Section)
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Fits 2009–2024 RAM 1500 Classic body
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Engine: 5.7L HEMI
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Factory dual tailpipes required
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Direct-fit muffler using factory hanger locations
Features
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Deep, aggressive exterior exhaust tone with moderate interior sound
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50 Series HD chambered muffler with built-in resonator
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3.00-inch mandrel-bent inlet tubing for improved exhaust flow
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Dual 2.25-inch slip-fit outlets
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Stainless steel 409 construction for maximum durability
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Includes all necessary hardware for easy at-home installation
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Uses factory hanger locations for direct fit
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Dyno tuned for maximum performance
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Covered by Flowmaster Lifetime Limited Warranty
Specifications
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Brand: Flowmaster
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Category: Exhaust
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Clamping Type: Flat Band
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Clamps Included: No
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Exhaust Series: American Thunder
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Finish: Natural
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Gasket or Seal Included: No
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Grade Type: Performance
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Hanger Included: No
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Heat Shield: No
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Inlet Diameter: 3.00 IN
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Inlet Outside Diameter: 3.13 IN
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Inlet Type: Slip-Fit
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Main Piping Diameter: 3.00 IN
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Muffler Material: 409 Stainless Steel
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Muffler Shape: Oval
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Muffler Series: 50 Series HD
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Muffler Type: Chambered
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Muffler Quantity: 1
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Outlet Diameter: 2.25 IN
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Outlet Type: Slip-Fit
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Outlet Quantity: 2
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Sound Level: Aggressive / Moderate
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System Type: Direct-Fit Muffler
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Tubing Diameter: 3.00 IN
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Product Type: Exhaust System
