Flowmaster 53553 50 Big Block Muffler - 3.50 Offset In / 3.50 Offset Out - Modern Day Muffler

Flowmaster 53553 50 Big Block Muffler - 3.50 Offset In / 3.50 Offset Out

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The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy l


  • Improved Horsepower, Torque and Engine Efficiency
  • Recommended for SUV/trucks/motorhomes/tow vehicles
  • Minimal interior resonance
  • Mild to stock exterior exhaust tone


  • Universal Muffler - Not a direct fit. Some adaptation required.
    Automotive Item Grade High Performance
    Body Height (in) 5
    Body Length (in) 22
    Body Width (in) 12
    Brand Flowmaster
    California Proposition 65 Required No
    Color Black
    Emission Code 5
    Fitment Universal
    Inlet Connection Type Pipe Connection
    Inlet Diameter (in) 3.5
    Inlet Position Offset
    Material Aluminized Steel
    Mount Type Uses New Hangers (Not Included)
    Muffler Series 50 Series Big Block
    Muffler Type Chambered
    Outlet Connection Type Pipe Connection
    Outlet Diameter (in) 3.5
    Outlet Position Offset
    Overall Length (in) 28
    Product Type Street Mufflers
    Shape Oval
    Sound Level Mild Sound
    Type of Muffler Chambered