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u7137 predator 2003 dodge ram 1500 5.7 hemi-flowmaster 40 cat- back

Upon installing the canned tune 91ocat. There's no change in the performance of my truck no power gain or shifting change .Truck drives just like my stock tune. Predator goes through all the steps and tell me its loaded.BUT no change ,i ve heared and seen the predator on other dodge rams.and seen the change in performance in they're trucks. So i had to have one hoping i didnt make an mistake. NEED HELP

---CAI arrives MAY 5th

Got a log to show us? Its probably knocking. Thats what Hemi's do.

im a newbie at this,no i didnt hear a knock. NO i didnt do a log with the . canned 91ot. in. after taking it out and going back to the stock tune abs light now flashing , truck idles erratic.,stalled on me once. Now i'm afraid to put the predator back in. i did a log with the stock tune,should i put it back in and do a log.And what am i suppose to do an log of. like i said i'm new to this THANKS MIKE