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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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