• PPE High Flow Exhaust Manifolds with Up-pipes - Fits 01-16 GM 6.6L Duramax

    $999.95 $899.95
    PPE’s EO D-707-1 Manifold and Up-Pipes are designed to maximize power and flow characteristics. The Up-Pipe bellows are high flow, internally sleeved and aircraft grade with an increased inner diameter. 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.


    • Features:

      ▪ Cast hi-sil moly iron high flow manifold construction

      ▪ 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

      Available for: 2001-2016 Duramax 6.6L