Flowmaster 50 Series Heavy Duty Muffler | FLO60371

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  • Not your vehicle? See all Flowmaster 50 Series Heavy Duty Mufflers
  • Deep and powerful tone
  • Catalog Number: Flowmaster 953558
  • Fits: Chevrolet Express 2500, Chevrolet Express 3500, Chevrolet Silverado 1500, Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500 + 14 More (check fitment chart for compatibility)

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Flowmaster 50 Series Heavy Duty Muffler | 953558

Product Specifications:

  • Case Diameter (IN): 10 Inch X 5 Inch
  • Case Length (IN): 18 Inch
  • Color/ Finish: Aluminized Gray
  • Includes Tip: No
  • Inlet Diameter (IN): 3-1/2 Inch
  • Inlet Position: Offset
  • Internal Construction: Three Chambered
  • Material: Steel
  • Outlet Diameter (IN): 3-1/2 Inch
  • Outlet Position: Offset
  • Overall Length (IN): 23 Inch
  • Shape: Oval
  • Tip Diameter (IN): No Tip
  • Tip Finish: No Tip
  • Tip Length (IN): No Tip
  • Tip Material: No Tip
  • Wall Type: Single Wall

Part Fitment List:

Please use our fitment tool above to determine fitment. Additional notes may be required.

Chevrolet Express 2500 (2001-2007)
Chevrolet Express 3500 (2001-2007)
Chevrolet Silverado 1500 (2008-2009)
Chevrolet Silverado 2500 HD (2001-2010)
Chevrolet Silverado 3500 (2001-2006)
Chevrolet Silverado 3500 HD (2008-2010)
Ford F-250 Super Duty (2008-2014)
Ford F-350 Super Duty (2008-2014)
GMC Savana 2500 (2001-2010)
GMC Savana 3500 (2001-2010)
GMC Sierra 1500 (2007-2009)
GMC Sierra 1500 Classic (2007)
GMC Sierra 1500 HD Classic (2007)
GMC Sierra 2500 HD (2001-2010)
GMC Sierra 2500 HD Classic (2007)
GMC Sierra 3500 (2001-2006)
GMC Sierra 3500 Classic (2007)
GMC Sierra 3500 HD (2007-2010)
Ram 2500 (2014)

Heavy-Duty Muffler

The Flowmaster 953558 50 Heavy Duty muffler cuts down exhaust noise to a quieter but deeper rumble. It is particularly suitable for large displacement engines and heavy-duty vehicles with large exhaust volumes. With a 3" inlet pipe and a dual rear exit, you can hit it with your best shot and it will offer nothing short of an impressive performance.

Deep and Powerful Tone

The muffler produces a deep growl without high pitches. It is perfect for drivers who are looking for a powerful rush on the road without too much attention.

3-Chamber Design

It features a 3-chamber design to handle large exhaust volumes and emissions from powerful engines. The muffler is ideal for both gas and diesel trucks.

Stainless Steel Construction

The Flowmaster 953558 50 Heavy Duty muffler is made from the strongest stainless steel in the industry. It won't rust or corrode and will stay in its original shape even after years of use.

Limited Lifetime Warranty

Flowmaster provides a limited lifetime warranty for every purchase of this muffler. It is a guarantee that it is worth your money in all aspects including quality, craftsmanship, and performance. If you need any help or further information about your warranty, feel free to get in touch with PartCatalog.

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