Industrial Injection 436403 CP4 to CP3 Conversion Kit (Tuning Required) 11-16 6.6L GM Duramax LML DDP COMPGSK For those running one of

For those running one of AFE's high powered Momentum HD cold air intakes and looking for even MORE air flow for improved power

Without it

into the intake manifold to partially restrict intake air to aid in EGR function and meet ever increasing emissions standards

FILTER OPTIONS:

located on the drivers side of the engine

Industrial Injection 436403 CP4 to CP3 Conversion Kit (Tuning Required) 11-16 6.6L GM Duramax LML DDP COMPGSK For those running one ofWith the release of the LML Duramax in 2011, GM made the switch from the reputable CP3 injection pump to the lower output CP4 pump, simply because they deemed it was Is good enough for you and your truck? We've seen numerous failures of the CP4 on stock trucks, let alone even slightly modified trucks that chew them up and spit them out. Industrial Injection has this complete conversion kit that delivers everything you need to swap out your failure