---tab Description--- Key Features Free-flowing exhaust system for more power and better fuel economy Improved combustion chamber temperatures Better longevity of your engine's cooling and exhaust system Increased power from more powerful tune flashes All the necessary parts needed to fully delete your 04-05 Powerstroke 6.6L What's in the Box EGR Delete Kit DPF Delete Kit CCV Reroute Kit Downpipe Exhaust Up-Pipe ⚠️Note: Accessories vary by order and may not include all listed. ---tab Fitment--- 2004 2005 GMC Sierra 2500 3500 HD 6.6 LLY Duramax Diesel 2004 2005 Chevrolet Silverado 2500 3500 HD 6.6 LLY Duramax Diesel If you own a LML engine, Check out our All-in-One LML Duramax Delete Kit (includes EGR, DPF, DEF, and CCV deletion with a tuning device). ---tab Shipping & Returns--- Fast Shipping Policy Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy Easy Return Policy Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy