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dont be stupid.
what engine do you have?
unichip and powerchip chips are good for older engines, new toyotas arent chippable.
the thing is, for the same money, any amount of exhaust and intake mods WILL NOT provide similar power gains, i dont know why ppl say 'headers, catback, cold air intake go go go' when a properly tuned ecu will give better results =\
if you have that kind of money, save it, invest, do something else with it.
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125 front wheel horsepower with major retard issues between 4500-5200RPM -
OD switched off, even when not in 3rd results in major power loss/rpm drop.
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