| As Wright(Ca) has experienced, breathing mods on stock turbos do what you are asking for. There is nothing in your profile that tells me you're going to make anywhere near that.
The only things helping increase power in your build:
- Supersplit DPs
- 3" exhaust
- Dual intake (Dummy MAF setup is limiting)
- Boost controller CXRacing SMICs are better than stock, but there are still much better ones out there. I got Z1's on special ($400), and Godspeeds are ~$350. (If you're looking for saving money) There are marked gains for intake and exhaust improvements, but it's got to be 2.5" IC piping and Massives, as well as MSP manis and full 3" exhaust.
One of the best parts is faster spooling and having bigger HP mid-range. Wright has this setup (plus an extrude honed plenum) but has manual turbos so it will naturally go a little higher in HP. (Maybe knock 20-30HP off his numbers) The breathing mods are pricey to be sure, but honestly, bigger turbos cost just as much, and are still restricted by breathing. (breather mods on bigger turbos still provide good gains and brings the power in sooner as well.)
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15:24:24 03/06/11
