Flowmaster 42443 Original 40 Series Chambered Muffler - 2.25-Inch Offset Inlet / Offset Outlet

Bring the classic Flowmaster sound to your vehicle with the Flowmaster 42443 Original 40 Series chambered muffler. Featuring a 2.25-inch offset inlet and 2.25-inch offset outlet, this universal performance muffler is ideal for custom exhaust systems on muscle cars, street rods, trucks, SUVs, street/strip vehicles, and off-road builds.

The Original 40 Series is designed for enthusiasts who want an aggressive exterior exhaust note with noticeable interior resonance. Its fully MIG-welded, 16-gauge aluminized steel construction provides dependable durability, while the black high-temperature painted finish helps protect the muffler’s exterior.

Features:

• Classic, aggressive Flowmaster exhaust sound
• Noticeable interior resonance
• 2.25-inch offset inlet
• 2.25-inch offset outlet
• Chambered performance muffler design
• Fully MIG-welded construction
• Durable 16-gauge aluminized steel body
• Black high-temperature painted finish
• Universal street, strip, truck, SUV, and off-road fitment

Specifications:

• Brand: Flowmaster
• Part Number: 42443
• Series: Original 40 Series
• Product Type: Chambered Exhaust Muffler
• Inlet Diameter: 2.25 inches
• Inlet Location: Offset
• Outlet Diameter: 2.25 inches
• Outlet Location: Offset
• Body Dimensions: 13 x 9.5 x 4 inches
• Overall Length: 19 inches
• Body Shape: Oval
• Material: 16-Gauge Aluminized Steel
• Finish: Black High-Temperature Paint
• Sound Level: Aggressive
• Fitment: Universal
• Reversible: No
• Clamps Included: No
• Hangers Included: No
• UPC: 700042010318

Fitment Note: This is a universal muffler and is not designed as a direct-fit replacement for one specific vehicle. Verify the dimensions and inlet/outlet configuration before ordering. Welding, fabrication, new hangers, or other exhaust modifications may be required.