11-16 6.6L LML Duramax High Flow Up Pipe Kit

2011-2016 6.6L LML Duramax High Flow Up Pipe Kit


2011 – 2016 6.6L LML Duramax Direct Replacement High Flow Up Pipe Kit

PPE # 116121115

Replaces OEM # 12650925 & 12657012

Unlike factory parts, PPE OEM Up-Pipe are manufactured from 11-gauge 304 stainless steel and includes our superior PPE 304 stainless steel, internally sleeved bellow that can take the abuse of high temperature and high pressures while allowing a 53% greater flow over stock.


  • Direct bolt-on replacement to factory exhaust manifolds
  • Significant reduction in exhaust back-pressure
  • Free-flowing stainless steel inner liner bellows
  • Stainless steel 11-gauge .120-inch wall, 2-inch OD Up-Pipes
  • Faster turbo response
  • Lower exhaust temperatures
  • Kit includes driver and passenger Up-Pipes and PPE Stainless Steel Up-Pipe Gaskets

Additional information

Weight 7 lbs