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Outlaw Diesel High Flow Manifolds & Up Pipes for 2001-2014 Chevy/GMC Duramax LB7/LLY/LBZ/LMM/LML 6.6L

Pricing: $699.95

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This Outlaw Diesel MaxFlow Up Pipes & Manifolds are made from high quality products and provide up to 55% increase in air flow over stock. The mandrels are constructed using Silica Moly Cast Iron and the .120" thick Up Pipes are constructed from 304 stainless steel and feature an internally sleeved bellows for superior flow and strength.


  • Reduced Back pressure
  • Better Fuel Economy
  • Quicker Spool Up and Lower EGT's
  • EGT Probe port pre-molded and tapped in each manifold for convenience and increased strength


  • Important Note: 2007.5-2010 LMM trucks require heater pipe modifications on driver's side, optional Pre-Modified Tube available in options

Kit Includes

  • Right and Left Manifolds
  • Right and Left Up Pipes
  • 16x Exhaust Manifold Bolts
  • Up-pipe gasket set (4 gaskets)
  • Engine Block to Manifold Gasket set (2 gaskets)



Shipping Information

  • Item Requires Shipping
  • 45.0 lbs.
  • W24.0000” x H10.0000” x L10.0000”
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