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USD 790 790 970
Part #:

HSP LB7 Max Air Flow Bundle

2003-2004 GM 6.6L Duramax LB7
Part #:
FROM 790
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Expertly engineered for optimum airflow, the HSP LB7 Max Air Flow Bundle overhauls the air intake system in your 2003-2004 GM 6.6L Duramax LB7. Featuring a 4” Intake Tube, the HSP LB7 Max Air Flow Bundle includes HSP’s signature heat shield that blocks hot air from entering the engine. The HSP LB7 Max Air Flow Bundle has 3” mandrel bent Hot and Cold Side Tubes included which pairs with the included Max Flow Y-bridge and Turbo Mouthpiece. Made in the USA, The Max Air Flow Bundle includes 5 layer silicon boots and comes in multiple color options.

  • Made In The USA
  • Improves Air Flow
  • Multiple Color Options
  • Replaces Underperforming Components

Vehicle Applications

2003 GMC 6.6L LB7 Duramax
2003 Chevy 6.6L LB7 Duramax
2004 GMC 6.6L LB7 Duramax
2004 Chevy 6.6L LB7 Duramax

Product Options

183-HSP-W White
183-HSP-SB Satin Black
183-HSP-RAW Raw
183-HSP-O Orange
183-HSP-GB Gloss Black
183-HSP-DG Dark Grey
183-HSP-CR Candy Red
183-HSP-CP Candy Purple
183-HSP-CB Candy Blue
183-HSP-BR Blood Red


  • Manufacturer Name HSP
  • Shipping Weight 40.00 lb.
  • Shipping Length 48 in.
  • Shipping Width 16 in.
  • Shipping Height 16 in.
  • Fuel Type Diesel
  • Prop 65 Prop 65 WarningWARNING: Cancer & Reproductive Harm -
  • Internal LR


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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.