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PPE Race High Flow Exhaust Manifold w/Up-pipes - 01-14 Duramax

Thoroughbred Sku #: PPEHIGHFLOWEXHMANWUPIPES

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$986.39

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Product Details

Product Name: Race High Flow Exhaust Manifold w/Up-pipes
Manufacturer: PPE
Application: 2001-2014 GM Duramax

Features:

  • Cast hi-sil moly iron high flow manifold construction
  • Significant reduction in drive 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

Replacing your stock Manifold and Up-Pipes should be your first step in building a high performance exhaust system. These exhaust manifolds were co-designed by Honeywell (Garrett) and PPE using CAD software to maximize flow characteristics. The up-pipe bellows are high flow, internally sleeved and aircraft grade! The PPE high flow exhaust manifolds and up-pipes lower EGTs, reduce drive pressure, and accelerate turbo spool-up while maintaining reliability. Perfect for upgraded turbo systems and nitrous equipped trucks with high EGTs. Also improves performance and fuel economy of engines with upgraded air/fuel systems.

Factory manufacturing process leaves the Up-Pipe bellows’ inside liner significantly undersized and deformed causing excessive restriction. PPE's bellows are larger in diameter by 37% providing increased flow.

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