Description
The Flowmaster 40 Series Delta Flow Chambered Muffler features a two-chamber design incorporating Delta Flow® technology, which increases exhaust scavenging for improved performance and reduced interior sound. Compared to standard 40 Series mufflers, this design produces a milder exterior tone with lower interior resonance, while maintaining an aggressive sound profile.
Constructed of 16-gauge aluminized steel and fully MIG welded, this muffler is built for maximum durability. Its center 2.00-inch inlet and outlet configuration makes it suitable for street, strip, and off-road applications, delivering aggressive performance in a compact, reliable package.
With no internal packing to blow out and a race-proven design, the 40 Series Delta Flow Muffler is ideal for high-demand 4- and 6-cylinder engines where both performance and sound control are required.
Key Features
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Flowmaster 40 Series Delta Flow Chambered Muffler
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Aggressive exterior sound level
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Milder tone and reduced interior resonance compared to standard 40 Series
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Delta Flow® technology for increased exhaust scavenging
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Excellent for street, strip, and off-road applications
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No internal packing to blow out
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Fully MIG welded 16-gauge aluminized steel
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Center 2.00-inch inlet and outlet
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Durable and long-lasting construction
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Universal fit for 4/6-cylinder engines
Fitment Information
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Universal fit for vehicles with 4-cylinder engines
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Universal fit for vehicles with 6-cylinder engines
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Designed for street, strip, and off-road applications
Specifications
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Brand: Flowmaster
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Product Type: Street Mufflers
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Part Type: Exhaust Muffler
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Muffler Series: 40 Series Delta Flow
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Muffler Type: Chambered
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Sound Level: Aggressive
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Body Material: 16-Gauge Aluminized Steel
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Body Shape: Oval
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Body Length: 13.00 IN
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Body Height: 4.00 IN
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Body Width: 9.75 IN
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Overall Length: 19.00 IN
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Finish: High-Temperature Paint
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Color: Black
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Inlet Connection: Slip-Fit
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Inlet Diameter: 2.00 IN
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Inlet Inside Diameter: 2.00 IN
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Inlet Outside Diameter: 2.13 IN
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Inlet Location: Center
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Inlet Quantity: 1
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Inlet Type: Clamp-On
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Outlet Connection: Slip-Fit
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Outlet Inside Diameter: 2.00 IN
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Outlet Outside Diameter: 2.13 IN
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Outlet Location: Center
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Outlet Quantity: 1
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Clamps Included: No
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Hanger Included: No
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Heat Shield Attached: No
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Mount Type: Uses New Hangers (Not Included)
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Reversible: No
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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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California Proposition 65: No