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Flowmaster 853558 50 Series HD Chambered Muffler

Part # 853558 Be the first to write a review

50 H.D. Stainless Steel - 3.5 in. Offset In/3.50 in. Offset Out - Moderate Sound

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Flowmaster 853558 50 Series HD Chambered Muffler

Estimated Ship Date: 07/31/2026
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$302.95
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Flowmaster's stainless steel 50 Series HD muffler is designed for today's heavy duty gas and diesel trucks. This muffler delivers improved performance, throttle response and mileage. The 50 HD features a deep, moderate tone with minimal interior resonance and is ideal for trucks with modified engines. This muffler is constructed of 409S Stainless Steel with a 3.5 in. inlet and outlet, and is covered by Flowmaster's Lifetime Limited Warranty.

Features:

  • Mild Interior Resonance
  • Recommended for 6.2L Ford, 6.4L Ram and 6.2L GM Trucks
  • Improved Horsepower, Torque and Engine Efficiency
  • Lifetime Limited Warranty
Brand Flowmaster
Emission Code5
Product TypeMufflers
WarrantyManufacturer's Limited Lifetime
UPC700042031085
Manufacturer Part Number853558
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number853558
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 - Some adaptation may be required.
Manufacturer's Limited Lifetime: See Details
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