But, they offer some turbine options and housing options that Airwerks does not offer. Airwerks is catching on though and starting to have some pretty cool new turbos that they are offering. Have you seen the billet wheels? They are actually not direct copies. Notice the laminar air flow grooves at the base of the turbo wheel. I am willing to bet if you took yours off it does not have them...at least none of the ones I have seen had them. They are initially making the new wheels in similar sizes to existing ones and them going from there once those are done to develop new wheels and combinations from what David (one of the aforementioned development guys). Here is a couple images:
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