Thinking of purchasing this dawes valve and needle by extreme offroad limits
http://www.ebay.com.au/itm/Nissan-Pa...item35e16d6f7d

Will this do the right job?

I have just got my pillar pod, egt saas gauge, saas boost gauge.

The catch can I was thinking was this

http://www.ebay.com.au/itm/Alien-Per...item462caf5412

and I will get a dump pipe through my mechanic likely with it ported for the egt.

Exhaust will come later.. but I have seen alot of people happy with 2.75in instead of the 3inch...? Whats the go there? Cheers all