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Discussion Starter · #1 ·
Hi All,

got Proflow re-bored throttle body - went from 56mm to 58mm with a new matching butterfly. Will install new gasket while there too.

Finally ready to install and have a few questions. I'm in Cali and right now the car is running clean, passing smog and no check engine light. Only have a short ram intake. Currently running my stock oem throttle body.

This is supposed to be a direct swap, right? Just install, connect and good to go? Will this mod trigger check engine light? I need to be able to pass smog check. Will the ECU need to be re-started?

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