I know of the giles pump. I have the afc set screw bottomed out for max fuel with no boost. I could tune it for a little less, but fuel=power! Besides, I like being able to drown people that tailgate me in a huge cloud of black smoke. Its what makes the car so much fun. Also, the smoke wouldn't be near as bad with a smaller exhaust housing which I am working on getting. If the turbo would spool a little sooner it would clean that smoke up real quick. Once its spooled and going by, there really isn't much smoke.
Jason
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