High-performance muffler designed for aggressive sound and durability.
The Flowmaster 80 Series Crossflow Exhaust Muffler is engineered for applications where the muffler is mounted transversely behind the rear end. This design delivers a distinctive muscle car sound, enhancing both interior resonance and exterior exhaust tone. Constructed from 16 gauge aluminized steel, the muffler is fully MIG welded, ensuring maximum durability and longevity under various driving conditions.
Featuring the original two chamber design, this muffler provides noticeable interior resonance while maintaining an aggressive sound profile. The offset single inlet and dual outlet configuration allows for efficient exhaust flow, making it suitable for vehicle-specific applications. With a case diameter of 9-3/4 inches and an overall length of 21 inches, this muffler is designed to fit seamlessly into your exhaust system, although modifications may be necessary for installation.
The Flowmaster 80 Series is not just about sound; it is built to withstand the rigors of performance driving. Its robust construction and thoughtful design make it a reliable choice for enthusiasts looking to enhance their vehicle's exhaust system.
Features
- The Original Two Chamber Design
- Noticeable Interior Resonance
- Aggressive Sound Exterior Exhaust Tone
- Cross Flow Applications
Specifications
- Manufacturer: Flowmaster
- Manufacturer Part Number: 42583
- Shape: Oval
- Inlet Position: Offset Single
- Inlet Diameter (IN): 2-1/2 Inch
- Outlet Position: Offset Dual
- Outlet Diameter (IN): 2-1/2 Inch
- Universality: Vehicle Specific
- Estimated Install Time (Hours): 1
- Case Diameter (IN): 9-3/4 Inch X 4 Inch
- Case Length (IN): 15 Inch
- Overall Length (IN): 21 Inch
- Color/ Finish: Gray Painted
- Material: 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
- 1982-1992 Chevrolet Camaro
- 1996-2002 Chevrolet Camaro
- 1982-1992 Pontiac Firebird
- 1996-2002 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.
Skip to content

