RANGER/HOBB
Well-Known Member
What a piggyback tuner is all about, is cost………..nothing more along with denial of use for warranty purposes. Won’t save you if they do an in-depth look at the ECU logs and the EDR. In this case, there about a $100.00 difference but if you purchase a fuel wire and remote controller, nearly $70 additionally.FP tune is superior to JB4 in what all modifications that are made and shifting table changes done in the ECU .
The JB4 is claimed to provide 50 WHP and 70 WTQ only in map 5 and above, which requires 93+ octane. This is only verified by dynamometer testing, under their specific ambient and altitude conditions.

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