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Part #: AFE46-20045

AFE 46-20045 BladeRunner Intercooler Pipe Kit

2001-2004 GM 6.6L Duramax LB7 (Hot & Cold Side)
Part #: AFE46-20045
$ $389.49
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The AFE 46-20045 BladeRunner Intercooler Pipe Kit for your 2001-2004 GM 6.6L Duramax LB7 is a direct swap for the both the hot and cold intercooler pipes currently on your truck. Built from 3" mandrel bent steel, these intercooler pipes provide maximum durability and flow while enhancing looks as well as performance. 

Flow and Performance:
These intercooler tubes are constructed of 3" mandrel bent tubing for maximum flow then powder-coated wrinkle-black for heat and corrosion resistance. The smooth bends allow for low turbulence while increasing horsepower and torque with lower EGTs.

Installation is a snap:
Utilizes the factory mounting locations to provide stability for a hassle-free installation. Includes a heavy-duty 5-PLY coupling for strength.

aFe Badging:
Unique laser-cut aFe Power logo plates are welded-on for an aggressive style.


  • Outflows stock intercooler tubes by up to 14%
  • Replacement tubes for both hot and cold side of the intercooler 
  • Constructed out of 3" mandrel-bent tubing
  • Powder-coated wrinkle-black for heat resistance and long-life
  • Includes high-temp coupling and high quality stainless steel spring loaded T-bolt clamp 
  • Coupling is constructed out of heavy-duty high-temp 5-PLY polyester for heat-resistance and durability


  • MFG. Number 46-20045
  • Manufacturer Name AFE
  • Shipping Weight 13.00 lb.
  • Shipping Length 35 in.
  • Shipping Width 11 in.
  • Shipping Height 15 in.
  • UPC 802959463888
  • Warranty Yes
  • Warranty Info 2 Year Limited
  • Prop 65 WARNING: Cancer & Reproductive Harm -


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Questions and Answers

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Most Popular Questions

Do you have this kit for a 2005 LLY?
View Staff Answer 
We offer the AFE intercooler pipes individually for 2005 model trucks.

Click here for driver's side pipe

Click here for passenger's side pipe
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.