Flowmaster Exhaust Muffler 40 Series Original (MPN: 425404)

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  • Regular price $133.39

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Experience aggressive sound with durable construction for performance applications.

The Flowmaster Exhaust Muffler 40 Series Original is engineered to deliver a powerful and aggressive sound both inside and outside the vehicle. Constructed from 16 gauge aluminized steel, this muffler is fully MIG welded to ensure maximum durability and longevity. Its oval shape and dual 2-1/2 inch inlet and outlet provide optimal exhaust flow, making it suitable for various applications including street, strip, and off-road use.

With a case width of 9-1/2 inches and a height of 4 inches, the muffler features a 13 inch body and an overall length of 19 inches. The design eliminates internal packing, preventing blowouts and maintaining consistent performance over time. Installation may require modifications to the exhaust system, and the muffler is classified as semi-universal, making it adaptable to a range of vehicles.

This product is ideal for those seeking the original Flowmaster sound, combining functionality with a robust construction that withstands the demands of high-performance driving. The black coated finish adds an aesthetic appeal while providing additional protection against corrosion.

Features

  • Durable Fully Welded 16 Gauge Aluminized Steel
  • Aggressive Sound Exterior Exhaust Tone
  • No Internal Packing To Blowout
  • Excellent Street Or Strip And Off Road Application

Specifications

  • Manufacturer: Flowmaster
  • Manufacturer Part Number: 425404
  • Shape: Oval
  • Inlet Position: Offset Dual
  • Inlet Diameter (IN): 2-1/2 Inch
  • Outlet Position: Offset Dual
  • Outlet Diameter (IN): 2-1/2 Inch
  • Universality: Semi-Universal
  • Estimated Install Time (Hours): 1
  • Case Diameter (IN): 9-1/2 Inch X 4 Inch
  • Case Length (IN): 13 Inch
  • Overall Length (IN): 19 Inch
  • Color/ Finish: Black Painted
  • Material: Aluminized 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

Technical Documents

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.

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