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USD 288.2
Part #: AFE49-43025-1

AFE 49-43025-1 Large Bore HD 4" Stainless Downpipe

2008-2010 Ford 6.4L Powerstroke
Part #: AFE49-43025-1
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The AFE 49-43025-1 Large Bore HD 4" Stainless Downpipe will increase exhaust flow and help lower the EGTs in your 2008-2010 Ford 6.4L Powerstroke This 4" downpipe upgrade kit features mandrel bent 409 stainless steel construction and improved airflow to increase throttle response, torque and horsepower. Factory style hangers and clamps are included for a trouble-free installation.

  • Hardware Included
  • Improved Exhaust Flow
  • 409 Stainless-Steel Construction

Vehicle Applications

2008 Ford 6.4L Powerstroke
2009 Ford 6.4L Powerstroke
2010 Ford 6.4L Powerstroke


  • MFG. Number 49-43025-1
  • Manufacturer Name AFE
  • Shipping Weight 15.00 lb.
  • Shipping Length 30 in.
  • Shipping Width 12 in.
  • Shipping Height 12 in.
  • Fuel Type Diesel
  • UPC 802959603550
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal L0.00R0.00


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Emissions Notice

This product is not legal for sale or street use in California. Certain aftermarket products are subject to governmental emission standards regulated by the California Air Resources Board. In order for these products to be legal on a specific vehicle in California, the part number must receive a CARB Executive Order (EO) number. This number makes the part legal for use only on specific years, makes and models of vehicles. A decal with CARB EO number for these parts must be displayed in the engine bay to satisfy smog inspection requirements.