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MBRP 3" Turbo Downpipe - 2011-2015 Duramax 6.6L LML

The MBRP GM8427 3" Turbo Downpipe provides a smoother flow from the turbo in your 2011-2015 GM 6.6L Duramax. Removing the restriction in the factory downpipe results in lower EGT’s and increased performance. The down pipe is relatively easy to install due to the precision bends that you’ve come to expect from MBRP.

Features:

  • Greater Heat Retention
  • 20% Greater Flow Over Stock
  • Richer Diesel Sound 
  • Will Not Affect DPF or Urea System 
  • Gains of +21HP & +24 Ft-lbs.



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