FWIW, I have heard from more than one person and from Uprev themselves, that the injectors that come with the Stillen kit are undersized.
Upgrading to 660cc injectors and re-tuning supposedly lets the tuner get a lot more power out of the car.
A local guy here was told by Uprev (he tuned down in Austin @ Uprev) that his injectors were @ 100% duty cycle on the 'recommended' tune from Stillen. Which is baaaaad.
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