Re: How much boost?
It should run around 12psi stock. You have to replace the stock BOV, if you want to turn up the boost. It leaks a lot at higher than stock boost levels. You also want to put on a bigger exhaust system, so that you aren't just creating a lot of backpressure, if you turn up the boost. The stock turbo won't sustain high boost, it can't flow enough air to keep up with the engine at higher RPMs. You can turn it up so that it spikes up to 18psi, but the boost will just fall back down pretty quickly.
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