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aFe Intercooler Inlet Tube Upgrade 46-20059

Fits: 07.5-09 Duramax
free shipping special - no handling fees

GM Duramax 2007.5-2009 V8-6.6L LMM
The aFe intercooler tube represents the next generation of Diesel performance products. This intercooler tube produced 11hp and 27lbs. x ft. of torque on the dyno while outflowing the factory intercooler tube by 67%. Not only will you get increased performance but you will also see lower EGT's and increased MPG. Talk about bang for the buck!

This intercooler tube is constructed of 3" mandrel bent stainless steel for smooth air flow transition and increased power and comes complete with 5-ply heavy duty couplings and constant tension T-bolt clamps.


  • 3'' Dia. stainless steel mandrel bent
  • Heavy duty couplings
  • Constant tension t-bolt clamps
  • Increased MPG
  • Increased Flow
  • Less restriction
  • Lower EGTs


  • Intercooler tube (1)
  • Silicone couplings (2)
  • T-bolt clamps (3)
Intercooler Inlet Tube Upgrade
aFe authorized dealer Shop with confidence! Thoroughbred Diesel is a authorized aFe Power dealer. We stock a full line of aFe with prompt shipping. Call us at 866-737-4966.
Product Description Price
2007.5-2009 GM 6.6L Duramax LMM
Part #46-20059
This part has been superceeded to 46-20049, 46-20059 is available though while supplies last.
free shipping special - no handling fees
Thoroughbred Diesel logo glowing Thoroughbred Diesel Performance and Repair Shop
4843 Rockwell rd.
Winchester, KY 40391
Call Toll Free: 1-866-737-4966

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