hello crist//370 i just got a nismo,i'm also in the proccess of moding it and like most of u i want to find out as much possible info before ordering parts///my question is should i go for hps pipes with k&n drop in filters or get injen cold intakes? berks or test pipes? and last my nismo comes with a h configuration pipe not a y. would a y like the one you have be able to fit and would it even give more low to mid hp/torque by the way thats what i'm looking for as far as gains in the rpm ///any help would be appreciated from you or anyone else thankkkkss great job on your 370z sounds great by the way///