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USD 190
Part #: IIHX40DP3

Industrial Injection HX40 Downpipe HX40DP3

2003-2004 5.9L Dodge Cummins
Part #: IIHX40DP3
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HX40 3rd Gen Down Pipe

This downpipe will fit any of our Phatshaft turbos for the 2003-2004 Dodge Cummins 5.9L.

Includes exhaust clamp.


  • MFG. Number HX40DP3
  • Manufacturer Name Industrial Injection
  • Shipping Weight 15.00 lb.
  • Shipping Length 42 in.
  • Shipping Width 11 in.
  • Shipping Height 6 in.
  • Fuel Type Diesel
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Questions and Answers

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Most Popular Questions

Is this downpipe compatible with the MBRP 5" straight pipe exhaust?
View Staff Answer 

You may need a 4"-5" exhaust adapter to fit the downpipe properly.

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.