the only way your really gonna see a power increase is if your stock pump wasnt supplying enough to the HPFP. if you have a healthy stock pump, not starving the HPFP, more than likely not going to notice much of a diffrence. On a stock truck ive never noticed a power increase at all. Hard to say...
And this is what makes me mad about some people. If you have a problem with someone's product, GO TO THEM. Not whining behind there back about it. Give someone a chance to make it right.
Sorry I'm on a rant
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I tried and tried to work with Adrian about my hybrid but had nothing but problems and the customer service was complete crap. Took 3 months to get one warrantied.
Oh and did I mention the hybrid destroyed my motor? Yea well it did. While I was in college and never heard from Adrian again. So...