As John said, these new trucks are pretty good out of the box. We do a lot of dino testing, the new air boxes(factory) are good up to about 500 HP after that you will need to open up the intake side some. But I just dropped Dodge CTD and went to Chevy DMax, don't get me wrong I still love Ram, just a change for awhile. The Ram was tuned and deleted, the Chevy.....not yet.
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