i have 2004 g35 x what i have done to the car is down pipes and y-pipes K&n intake and i am wondering if any one have change the upper and the lower intake maniflod and if it true like the web site say u will gain about 30.6 + HP it sound good for me but i want some one who done it before and if he felt any difference

 

I have the kinetix ssv if you want to buy it from me.

 

do u have any pics for it , and how long u had it for or how long u did use it

 

You speaka Engrish? Me say searcha is yuor frand and nescray to laern ansers to yuor quesitons.

 

Y pipes? Plural?

 

and down pipes...thought that was only on turbo applications...

 

All of ur engrish are belong to us.