Flowmaster 524554 Exhaust Muffler

Part Number
50 Series SUV Muffler; 2.25 in. Dual Inlet/Outlet; Case Dimensions 5 in. x 10 in. x 17 in.; 23 in. Overall Length; Aluminized Steel
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The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

BRAND: Flowmaster


  • Exhaust Muffler
  • 50 Series™ SUV Muffler; 2.25 in. Dual Inlet/Outlet; Case Dimensions 5 in. x 10 in. x 17 in.; 23 in. Overall Length; Aluminized Steel;
  • Durable Fully Welded 16ga Aluminized Steel
  • Premium Flowmaster Quality
  • Race Proven Patented Delta Flow® Technology
  • Muffler Super 50 2.25in D/D
  • 50 Series™ SUV Muffler
  • Improved HP/TQ and Potential Mileage Improvement
  • Minimal Interior Resonance
  • Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
  • Universal Muffler - Not a direct fit. Some adaptation required.
  • 3 Year Limited Warranty
  • Excellent Choice for Large Displacement Vehicles
  • Mild to Moderate Exterior Exhaust Tone
  • Chambered; Exhaust; Performance muffler; muffler; flowmaster; race muffler; universal muffler; magnaflow; borla; gibson; stainless exhaust; stainless muffler; tuned muffler; sport muffler; tuner; tuned exhaust; exhaust upgrade; performance upgrade


Automotive Item GradeHigh Performance
Body Height5.000 in.
Body Length17.000 in.
Body Width10.000 in.
Inlet Connection TypePipe
Inlet Diameter2.250 in.
Inlet Inside Diameter2.250 in.
Inlet Outside Diameter2.250 in.
Inlet PositionDual
Inlet TypeDual
Main Piping Diameter2.250 in.
MaterialAluminized Steel
Mount TypeUses New Hangers (Not Included)
Muffler SeriesSuper 50 Series
Muffler TypeReflection
Outlet Connection TypePipe
Outlet Diameter2.500 in.
Outlet Outside Diameter2.250 in.
Outlet PositionDual
Outlet TypeDual Outlet
Overall Length23.000 in.
Sound LevelMild
Tip Quantity0
TitleFlowmaster 524554 Super 50 Muffler - 2.25 Dual In / 2.25 Dual Out - Mild Sound
WARNING CA Proposition 65No



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