Both can trash a motor with equal ease -- I don't know how much punishment the OEM motor can take (is it known? Has one been pushed to the limits yet?), but notwithstanding the extra stress of high cylinder pressure, so long as the tune is good, the motor should hold together...
Bang for the buck, probably one of the S/C kits.
Until a roots blower kit is developed, for the best low end grunt, the TT kit is the best option -- but waaay more money.
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Enjoy it. Destroy it.
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