Description
The Flowmaster Pro Series Muffler is engineered for high-performance applications, from street trucks, diesel pullers, and RVs to dirt and asphalt racing. Designed and tested on the dyno and track, Pro Series mufflers deliver performance equal to or exceeding open pipe systems, while significantly reducing sound levels across the RPM range.
With a 4.00-inch center inlet and outlet, this muffler is ideal for vehicles where high horsepower and controlled sound are critical. Constructed with a fully welded 16-gauge stainless steel case and a 409 stainless steel internal core, the Pro Series muffler ensures maximum durability, long-lasting performance, and consistent exhaust flow.
Key Features:
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Laminar flow muffler design for controlled moderate tone
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4.00-inch center inlet and 4.00-inch center outlet
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Race-proven performance for street, truck, diesel, RV, and racing applications
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Fully welded 16-gauge stainless steel case
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409 stainless steel internal construction
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Moderate exterior sound for daily driving comfort
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Universal fit for a wide range of vehicles
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Reversible design allows flexible installation
Fitment:
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Fitment Type: Universal
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Vehicle Type: Classic Muscle Car, Trucks, Diesel, RVs
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Inlet Diameter: 4.00 inches
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Inlet Location: Center
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Inlet Quantity: 1
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Outlet Diameter: 4.00 inches
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Outlet Location: Center
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Outlet Quantity: 1
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Reversible: No
Specifications:
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Brand: Flowmaster
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Muffler Series: Pro Series
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Muffler Type: Laminar Flow
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Product Type: Street Mufflers
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Part Type: Exhaust Muffler
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Category: Exhaust
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Sub Category: Mufflers
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Body Material: 16-gauge Stainless Steel
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Body Finish: High-Temperature Paint
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Body Color: Black
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Shape: Round
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Body Diameter: 9.00 inches
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Body Height: 9.00 inches
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Body Width: 9.00 inches
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Body Length: 20.00 inches
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Overall Length: 27.00 inches
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Inlet Inside Diameter: 4.00 inches
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Inlet Outside Diameter: 4.13 inches
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Inlet Connection: Slip-Fit
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Inlet Type: Clamp-On
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Outlet Inside Diameter: 4.00 inches
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Outlet Outside Diameter: 4.13 inches
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Outlet Connection: Slip-Fit
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Outlet Type: Single
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Mount Type: Uses New Hangers (Not Included)
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Hanger Included: No
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Clamps Included: No
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Heat Shield Attached: No
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Tunable: No
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Sound Level: Moderate
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Grade Type: Performance
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California Proposition 65: Yes
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California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
