towing capacity upgrades? | Ford Explorer Forums - Serious Explorations

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towing capacity upgrades?

I have an 06 explorer 4.0L XLT and am trying to boost the towing capacity. From what I've been reading swapping gears doesn't seem like the way to go, but a trans cooler and a brake controller should help. I already have the class 3 receiver and wiring. Is there anything else I should consider? Anyway I can safely get some more power out of the engine?
 






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