Product details:

SD-EGRD-LLY This complete 6.6L Duramax LLY EGR cooler/valve delete kit by Sinister is made of machined billet aluminum and stainless steel, this EGR delete kit completely replaces the EGR systemno other parts are needed. It doesnt require removal of turbo, intake manifold or up-pipe.Product Highlights-Does not Require removal of turbo, intake manifold, or up-pipe-CNC Machined Billet Aluminum and Stainless Steel -Completely Replaces EGR System, No other Parts Required-Includes detailed Installation Instructions-Fits on 2004.5-2005 models. *Requires the use of a tuner that will allow you to disable the egr system. * This product removes federal emissions equipment. This high performance product is intended SOLELY for closed-course racing use and is not street legal in ANY state. This product cannot be used on any vehicle that is registered or certified for highway use.