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01-04 Chevy/GM Duramax LB7 Boost Increase Valve

01-04 Chevy/GM Duramax LB7 Boost Increase Valve



  • 2001 through early 2004 LB7 6.6L Duramax diesel trucks.
  • Increases boost pressure from 18-20psi to 28-30psi.
  • Simple to install and only takes a few minutes.

Product Description:

Pacific Performance Engineering has developed a device that increases all LB7 Duramax Diesels boost pressure from the 18-20 psi to 28-30 psi. This MAP overboost code eliminator or Boost Increase Valve works only on the LB7 models and installs in under 5 minutes between the turbo and the wastegate. It allows the engine to burn the additional fuel associated with high HP tunes for even more HP.


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