EGR Delete for the 2011, 2012, 2013, 2014, 2015 & 2016 Chevy / GMC 6.6 LML Duramax Diesel. During normal driving conditions the factory EGR system re-circulates up to 50% of the exhaust back through the intake to help reduce emissions. This process eventually plugs up your intake with soot, chokes your engine and robs you of power. By installing a EGR delete kit; clean air will now be able to flow into your engine keeping your intake soot-free. Clean dense air will reduce exhaust gas temperatures, lower intake temperatures, increase horsepower and result in quicker turbo spool. Most importantly the reliability is significantly increased. The EGR delete kit for the Duramax 6.6 LML is made from nickel plated 304 stainless steel and machined billet aluminum. This kit has been fully pressure tested to ensure reliability and leak-free operation. The EGR Delete kit also improves engine reliability by recirculating your engine coolant faster than the stock EGR system for lower coolant temperatures. When installing the GDP EGR delete kit on your Duramax it must be used with a DPF delete capable tuner. We recommend the EZ Lynk. Everything needed for a complete installation is included. Made in the USA with a Lifetime warranty.