High Flowing The Rb25 Turbo

[Jetdat]

I have done a bit of search but couldnt find what i am after hence this thread..

Car is a series 2 R33 GTS-t, 3inch dump/front pipe high flow cat and HKS cat back.

HKS air filter

Front mount cooler 2.5 inch stainless custom pipes

Power FC arriving next week

Before i get the PFC tuned i am thinking of a turbo upgrade. I am aware of the off the shelf items and their cost but wondering about high flowing the stock one.

I am thinking of changing the exhaust wheel similar to the sierra one (similiar to TO4O), with machining.

As well as that also changing the centre housing to mate with the new back wheel, and replacing the compressor with a 56 mm v2.

As this is a hybrid setup, i am asking for opinions on lag and potential power output. I am after around 250rwkw.

This set up is gonna cost around $800, please do post your ideas.

Cheers

[Jetdat]

any opinions??

[paulr33]

if you want hks gt-rs if you want garrett then get it hiflowed by gcg and also look into the illusive vg30 housing change. check the rb25 turbo upgrade for a few gt-rs combo's in there and look for the vb30 hiflow thread which covers all the info on the vg30 housing and hiflow option

gt-rs = $2800 as a kit

hiflow + vg30 = $2200 ish + vg30 2nd hand housing

[Jetdat]

cheers paul..

i am hoping to do it as cheap as possible and i wanna retain the standard ext. housing as i have a 3inch dump/front pipe combo and do not wish to change it..

and it wouldbe nice if it looked as factory as possible..

[paulr33]

maybe send the dump pipe to gcg and get them to match it somehow

they know what the stock vg30 housing looks like and what the stock rb25 is so they should be able to match or do somehing for you, best to ask them

[R31Nismoid]

search and use one of the tried and proven hi-flows.

save that talk to a reputable turbo maker/builder and tell them what you want