I have a 2003 cummins 3500 with these two tuners and when i stacked it I still didnt have very much smoke at all! I ordered a raptor 150 fuel pump to get more fuel pumping but is there something i am missing? Im confused on what else I need to do or can do. It is a 6 speed if that makes any difference and any and all help would be greatly appreciated! Thanks in advance!

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the quadzilla is a stealth...forgot to mention that...please anyone?

 

you dont want smoke you want hp. now that being said you might wanna try a pressure box like a mp-8