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NTP Flowmaster 425403 40 Series Muffler P14750291NTP-F13425403 https://cdnimages.opentip.com/full/NTP/NTP-F13425403.jpg Flowmaster 425403 40 Series Muffler Manufacturer Part Number: F13425403Exhaust Muffler; 40 Series ™ Original; Black Aluminized Steel Case; Dual 2-1/2 Inch Inlet; Single 3 Inch Center Outlet; 13 Inch Body/ 19 Inch Overall LengthProduct InfoThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you\'re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.DownloadsShape: OvalInlet Position: Offset DualInlet Diameter (IN): 2-1/2 InchOutlet Position: Center SingleOutlet Diameter (IN): 3 InchCase Diameter (IN): 9-3/4 Inch Width X 4 Inch HeightCase Length (IN): 13 InchOverall Length (IN): 19 InchIncludes Tip: NoTip Finish: No TipEstimated Install Time (Hours): 1Color/ Finish: Black AluminizedMaterial: SteelTip Length (IN): No TipTip Diameter (IN): No TipTip Material: No TipFeatures Durable Fully Welded 16 Gauge Aluminized Steel Aggressive Sound Exterior Exhaust Tone Noticeable Interior Resonance Excellent Street/Strip And Off Road Application Limited 3 Year Warranty 14750291 700042038534 10.0000lbs 4.50 10.00 20.50
Flowmaster
140.8800 2025-06-21 14 In Stock

Flowmaster 425403 40 Series Muffler

Brand Flowmaster
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UPC: 700042038534
SKU: NTP-F13425403
Price: $140.88
Quantity:
14 In Stock
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Product Description

Manufacturer Part Number: F13425403

Exhaust Muffler; 40 Series ™ Original; Black Aluminized Steel Case; Dual 2-1/2 Inch Inlet; Single 3 Inch Center Outlet; 13 Inch Body/ 19 Inch Overall Length

Product Info
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.

Downloads


Shape: Oval

Inlet Position: Offset Dual

Inlet Diameter (IN): 2-1/2 Inch

Outlet Position: Center Single

Outlet Diameter (IN): 3 Inch

Case Diameter (IN): 9-3/4 Inch Width X 4 Inch Height

Case Length (IN): 13 Inch

Overall Length (IN): 19 Inch

Includes Tip: No

Tip Finish: No Tip

Estimated Install Time (Hours): 1

Color/ Finish: Black Aluminized

Material: Steel

Tip Length (IN): No Tip

Tip Diameter (IN): No Tip

Tip Material: No Tip

Features
  • Durable Fully Welded 16 Gauge Aluminized Steel
  • Aggressive Sound Exterior Exhaust Tone
  • Noticeable Interior Resonance
  • Excellent Street/Strip And Off Road Application
  • Limited 3 Year Warranty

warning tips WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov.
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