AFE Stage 2 Cold Air Intake System with Pro Dry S 51-80782

2001-2004 GM 6.6L Duramax LB7
XDP Part Number:
$5 Price Beat Guarantee
The AFE Stage 2 Cold Air Intake System with Pro Dry S 51-80782 gives your 2001-2004 GM 6.6L Duramax LB7 cool air and quiet power on a budget. The sealed design keeps noise at a minimum while the large 360 degree high flow PRO Dry S air  filter and sealed intake box with auxiliary intake scoop increases air flow by 51%. Picks up 11 Horsepower and 27 lbs X ft. of torque at 2100 RPM. Installs in 30-45 minutes with no drilling or cutting required. This system is a truly stealth system.


  • +11HP & 27 Ft-Lbs.
  • Increase Flow By 51%
  • Sealed Intake System
  • CARB E.O. # D-550-4 
Mfg. Number:

Customer Reviews - Include your order number for a chance to win a $100 GiftCard

(9 Ratings, 2 Reviews) Average Rating:
Great fit and looks good, order number 422146
Chris McCoy (Washburn, ME) 1/16/2016 9:26 AM
Easy to install, The massive air filter will definitely let the LB7 breath better. Thanks
Easy install except...
Russ Mancz (ohio) 1/23/2014 9:59 PM
They fail to mention that to reinstall your plastic engine cover u have to make some minor adjustments to it. Basically cut a large section out of it. Well at least I did on my 01 LB7.