Originally Posted by Red_Z

I finally got the sprint booster installed. Have to say this is the best $300 spent on the Z so far!! The pedal is very very responsive after the install. This is how the Z should be. I do have uprev before the sprint booster. I can say that uprev did helped a little on the lag, but the SP bring it to another level of responsiveness.

Highly recommended. The pedal feel is different than just floor your gas pedal!!