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HSP LMM Max Flow Bridge and Cold Side Tube (Over Alt.)

2007.5-2010 GM 6.6L Duramax LMM
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The HSP LMM Max Flow Bridge and Cold Side Tube (Over Alt.) improves the performance and airflow of your 2007.5-2010 GM 6.6L Duramax LMM. Designed for maximum airflow, the Max Flow Bridge and Cold Side Tube (Over Alt.) is casted with precision and CNC machined. The Max Flow Bridge and Cold Side Tube has a two piece design that allows for an easier installation. Included with the Max Flow Bridge and Cold Side Tube (Over Alt.) are two M8 studs, 12-point nuts, and a high-strength O-ring that holds the 3” bridge together and eliminates boost leaks. The mandrel bent 3” Cold Side Tube combines with the Y Bridge for superior efficiency, airflow, and performance. The Max Flow Bridge and Cold Side Tube (Over Alt.) is proudly made in the USA and come sin multiple color options for a custom look.

  • 4” Intake Tube
  • Made In The USA
  • Multiple Color Options
  • Engineered For Performance

Vehicle Applications

2007.5 GMC 6.6L LMM Duramax
2007.5 Chevy 6.6L LMM Duramax
2008 GMC 6.6L LMM Duramax
2008 Chevy 6.6L LMM Duramax
2009 GMC 6.6L LMM Duramax
2009 Chevy 6.6L LMM Duramax
2010 GMC 6.6L LMM Duramax
2010 Chevy 6.6L LMM Duramax


  • Manufacturer Name HSP
  • Shipping Weight 14.00 lb.
  • Shipping Length 24 in.
  • Shipping Width 16 in.
  • Shipping Height 10 in.
  • Fuel Type Diesel
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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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.