The Flowmaster Original 40 Series Chambered Muffler delivers the iconic aggressive exhaust tone that Flowmaster is known for. Designed for drivers who want deep resonance inside and outside the vehicle, this muffler is ideal for street, strip, truck, and off-road applications. Built from durable 16-gauge aluminized steel and fully MIG-welded, it ensures long-lasting performance with no internal packing to deteriorate over time.

Features

• Aggressive exterior and interior tone

• No internal packing to blow out

• Fully welded 16-gauge aluminized steel construction

• Ideal for street/strip, off-road, and high-performance builds

• High-temperature black finish

• Chambered design for maximum durability and sound control

Specifications

• Body Height: 4.00 in

• Body Length: 13.00 in

• Body Width: 9.50 in

• Body Material: Aluminized Steel

• Color/Finish: High-Temperature Black

• Inlet Diameter: 2.50 in

• Inlet Inside Diameter: 2.50 in

• Inlet Outside Diameter: 2.63 in

• Inlet Quantity: 2

• Inlet Connection: Slip-Fit

• Inlet Type: Clamp-On, Weld-On

• Outlet Diameter: 2.50 in

• Outlet Outside Diameter: 2.63 in

• Outlet Quantity: 2

• Outlet Location: Dual

• Outlet Connection: Slip-Fit

• Muffler Series: Original 40 Series

• Muffler Type: Chambered

• Overall Length: 19.00 in

• Shape: Oval

• Sound Level: Aggressive

• Emission Code: 5

• Grade Type: Performance

• Clamps Included: No

• Hangers Included: No

• Heat Shield: No

• Reversible: No

• Category: Exhaust

• Sub-Category: Mufflers

• Product Type: Street Mufflers

• Part Type: Exhaust Muffler

• Fitment: Universal

Fitment 

Fits the following vehicle types:

• Classic Muscle Car

• Late Model Muscle Car

• Street Rod

• Street/Strip

• Truck/SUV

Universal fitment. Not vehicle-specific.