^exactly, also included in changing the engine would by changing the internals, changing camshafts, roller rockers, etc that might make it perform out of the ranger of the stock headers. but your stock headers were designed for that engine in your truck as is right now, changing headers wont be much improvement
08 Ranger Sport 2wd
aFe CAI, 30x9.5.x15 Grabber AT2s, U/D pulleys, flowmaster super 44
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