black market performance

11-15 Duramax High Flow Downpipe

  • Sale
  • Regular price $185.00

  • Exhaust Type: Turbo Downpipe
  • Pipe Diameter: 3.00" Pipe Diameter
  • Coating/Color: Powder Coated Black
  • Fitment: 2011-2015 Chevy/GMC Silverado Sierra 2500HD/3500 6.6L V8 Turbo Diesel
  • Does Not Fit Older 2015.5 Model With Flange Turbo Outlet
  • Replace Restrictive OEM Downpipe
  • Maximize Exhaust Flow & Dramatically Lowering EGT
  • Deepen Exhaust Sound, Improve Horsepower & Torque
  • Mandrel-Bent For Maximum Performance
  • Top Quality Downpipe Without Spending A Fortune


For maximum exhaust flow and while lowering EGT, go with our 3" mandrel bent downpipe. Featuring black high temperature durable thermal coating & further insulated by fiberglass heat wrap.