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Experience aggressive sound with durable construction for performance vehicles.
The Flowmaster Exhaust Muffler 40 Series Original is engineered to deliver a powerful and aggressive sound both inside and outside the vehicle. Constructed from 16 gauge aluminized steel, this muffler is fully MIG welded to ensure maximum durability and longevity under various driving conditions. With a design that features a single 2-1/4 inch offset inlet and outlet, it is tailored for performance applications, making it suitable for street, strip, and off-road use.
Measuring 9-3/4 inches in width and 4 inches in height, the muffler has a body length of 13 inches and an overall length of 19 inches. Its oval shape and black coated finish not only enhance the aesthetic appeal but also contribute to its robust performance. The noticeable interior resonance adds to the driving experience, making it a preferred choice for enthusiasts seeking that iconic Flowmaster sound.
Installation may require modifications to the exhaust system, and the estimated installation time is approximately one hour. This semi-universal muffler is designed to fit a variety of vehicles, providing an excellent balance of sound and performance for those looking to enhance their exhaust system.
Features
- Durable Fully Welded 16 Gauge Aluminized Steel
- Aggressive Sound Exterior Exhaust Tone
- Noticeable Interior Resonance
- Excellent Street Or Strip And Off Road Application
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 42443
- Shape: Oval
- Inlet Position: Offset Single
- Inlet Diameter (IN): 2-1/4 Inch
- Outlet Position: Offset Single
- Outlet Diameter (IN): 2-1/4 Inch
- Universality: Semi-Universal
- Estimated Install Time (Hours): 1
- Case Diameter (IN): 9-3/4 Inch X 4 Inch
- Case Length (IN): 13 Inch
- Overall Length (IN): 19 Inch
- Color/ Finish: Black Painted
- Material: Aluminized Steel
- Wall Type: Single Wall
- Includes Tip: Without Tip
- Tip Length (IN): Without Tip
- Tip Diameter (IN): Without Tip
- Tip Finish: Without Tip
- Tip Material: Without Tip
Compatibility / Fit
- 1975-1977 Buick Skylark
- 1973-1986 Chevrolet C10 Suburban
- 1993-2002 Chevrolet Camaro
- 1967-1973 Chevrolet Caprice
- 1973-1986 Chevrolet K10 Suburban
- 1987-1996 Ford Bronco
- 1986-2004 Ford Mustang
- 1976-1978 GMC C15 Suburban
- 1973-1974 GMC C15/C1500 Suburban
- 1979-1986 GMC C1500 Suburban
- 1975-1978 GMC K15 Suburban
- 1973-1974 GMC K15/K1500 Suburban
- 1979-1983 GMC K1500 Suburban
- 1980-1981 Oldsmobile Cutlass
- 1979-1984 Oldsmobile Cutlass Calais
- 1980-1983 Oldsmobile Cutlass Cruiser
- 1978-1980 Oldsmobile Cutlass Salon
- 1985-1985 Oldsmobile Cutlass Salon
- 1987-1987 Oldsmobile Cutlass Salon
- 1978-1978 Oldsmobile Cutlass Supreme
- 1980-1985 Oldsmobile Cutlass Supreme
- 1993-2002 Pontiac Firebird
Technical Documents
Product Videos
Shipping & Returns
- This product ships within the continental USA only.
- This product typically ships within 1 to 3 business days.
- Returns are accepted within 30 days for items in like-new condition. For complete details, please see our return policy.
