PPE 116111100 High-Flow Race Exhaust Manifolds with Up-Pipes

2001-2015 GM 6.6L Duramax (w/ Twin Turbos)
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The PPE 116111100 High-Flow Race Exhaust Manifolds with Up-Pipes for your 2001-2015 GM 6.6L Duramax are designed to maximize power and flow characteristics in your truck. Featuring durable, high flow Up-Pipe bellows that are internally sleeved and aircraft grade with an increased inner diameter which all together increases flow by over 20%. The entire Manifold and Up-Pipe exhaust system is designed to lower exhaust gas temperatures, reduce drive pressure, and accelerate turbo spool-up while maintaining reliability.

  • Round pipe for twin turbo applications
  • Cast hi-sil moly iron high flow manifold construction
  • Significant reduction in exhaust back pressures
  • 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 sensor
Note: These race manifolds are designed for closed course racing vehicles and are not to be used on the street. Only fits NON-EGR off-road applications. On 2015 models, the upper shock mount will need to be slightly modified for installation.
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(82 Ratings, 1 Review) Average Rating:
PPE Race High Flow Exhaust Manifold with Up-pipes
R Rampley (AZ) 3/21/2011 8:43 PM
Great looking! The parts looks VERY high quality. Install was smooth with no fitting issues. Turbo spools WAY faster and egts are down about 125deg, feels like it pick up a few horses (seat of the pants). Great price with free shipping Thanks XDP and PPE!!! Ryan