PPE Boost Increase Valve 116030000

2001-2004 GM 6.6L Duramax LB7
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Increase your turbo boost pressure from the stock 18-20 to 28-30 psi in an easy five minute installation. Designed for 2001-2004 Duramax LB7 diesel engines, the PPE Boost Increase Valve will not only produce additional horsepower and torque but it will also reduce those dreaded EGTs. Additional fueling via a PPE Xcelerator programmer may be needed to gain higher boost levels.


  • Increased boost means increased power and torque
  • Simple 5-minute installation
  • Reduces EGT’s

Additional Information

Install Sheet
Mfg. Number:

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

(41 Ratings, 13 Reviews) Average Rating:
cant beat it
mike (colorado) 11/8/2015 9:34 PM
This is a bang for your buck purchase i went from 24 lbs to 31 lbs in a matter of minutes edge cts insite will obd2 port will only read up to 24 so use if boost gauge is a must can feel a good difrence in top end dont think twice on this for the price Order # 420873
Austin (Texas) 1/3/2014 12:25 AM
Could tell a difference pulls a little harder in lower gears very easy and simple to install just pop off the 6.6 cover cut the line, insert, and clamp and done. I definately reccomend this product! And its only $30.00!!!
bob (alaska) 7/4/2013 3:16 PM
put this in my 01 duramax, at sea level i gained 1-3 lbs of boost as read on my 6 gun IQ. couldent really tell a difference in the sound of the turbo, speed of spool or engine performance for that gain. for 20 bucks i guess i cant complain. just dont expect to get a huge increase from this. install takes about 30 seconds with the right tools.
feed wagon
Bernie (Nebraska) 3/22/2011 11:10 PM
This is a must have, I went from 23 psi to 28 psi with a few mods, when the pickup is in work mode, it pulls a livestock trailer with around 9 head of cattle, it normally pulls 32 psi that sets the cattle to the back of the trailer. The pore cattle get whip lashed everytime it happens. For a low price it makes a hek of a difference. A must have!!
Diesel fanatic
Johnny (Oklahoma) 12/16/2009 8:57 AM
Great Product. I went from about 22 psi of boost to about 31 psi of boost with a few other mods. Overall does everything they say it does. Thanks Xtreme Diesel!!!!