RCCX said:Why does any kit need modded cp3's?In order to use the full fueling potential of 2 stock pumps you would need a set of injectors so big you would not want to run them every day on the street.
TopFueler said:The II Duel Fuelers do come with a Duramax CP3 pump. II does this to enhance the overall performance that can be accomplished. It is a new CP3 pump and can be modified for more fuel. Some guys run two modified CP3 pumps that are very large on volume. Thanks
caterpillartim said:how come no one has a DIY kit yet