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Part #: PPE116111600

PPE 116111600 High-Flow Exhaust Manifolds with Up-Pipes

2006-2007 GM 6.6L Duramax LBZ
Part #: PPE116111600
  1 Review
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  1 Review


The PPE 116111600 High-Flow Exhaust Manifolds with Up-Pipes for your 06-07 GM 6.6L Duramax LBZ increase exhaust flow by 20 percent and are 50 state emissions legal. Designed to outlast your truck the manifolds are made from high-quality cast iron and the up pipes are made from stainless steel. Plus the aircraft grade Up-Pipe bellows are high-flow, internally sleeved, and have an increased inner diameter.

  • CARB E.O. D-701-1
  • Significant reduction in exhaust back pressure>
  • Free flowing Stainless Steel Inner Liner Bellows
  • Stainless Steel 11-gauge .120-inch wall diameter Up-Pipes
  • Built in bosses, pre-drilled and tapped 1/8" NPT for EGT gauge 


  • MFG. Number 116111600
  • Manufacturer Name PPE
  • Shipping Weight 43.00 lb.
  • Shipping Length 17 in.
  • Shipping Width 23 in.
  • Shipping Height 12 in.


Challenge to install but well worth the outcome.
Location: Bremerton, Wa
The manifolds and up pipes made a huge difference for noise, temp reduction, turbo spool up and throttle response. Manifold removal was pretty straight forward but the up pipes was a pain. Reaching the bolts that connect the up pipes is difficult due to there being very little hand room behind the turbo and engine. Once you get the up pipes switched out everything else goes together pretty quickly. Only thing I recommend if you are going to do this install is that you have a three prong grabber on hand in case you drop a bolt as they are not magnetic and are a pain to pull out of tight spots.

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