i have a question for those4 who have the canzoomer
 

how much fast does it actually make the car?

are those of you that have the stage one done to your car able to beat the G35 and the 350Z.?

if not then please describe the increase in power

you need to go here.

https://www.rx8club.com/series-i-engine-tuning-forum-63/

https://www.rx8club.com/showthread.php?t=32463
im not sure against a g35 or 350z, but this should answer some of your questions.