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Those bastards; I wouldn't have left without a reflash. Time to raise hell tomorrow. I paid $88 for the labor to reflash mine. When you drive it with the stock MAP sensor and stock tune, the car thinks it's stock, the injectors pulse a certain amount of time to let out a certain amount of fuel, which is way off since the new injectors are bigger than stock. Also the stock MAP sensor can't read boost so it wouldn't know how much fuel to add once you cross 0 boost/vacuum, so I'm pretty sure it just dumps a ton of fuel just to be safe, not sure on that. Otherwise you'd run really lean since you're adding a ton more air without the fuel to back it up, overheating the combustion, melting pistons, rings, etc.
Tuning is critical to any addition of power, especially boost.
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