There's a company out here that i think is planning on making a kit utilizing the EFR but that's really only speculation at this point. The drawback to the EFR is the size to power ratio. EFR's are huge, heavy, and looking at their site down on power to Garrett's and Precision Turbos. They are a neat idea that makes quite a bit of sense, but like has been said, they restrict your choices if you decide you want to go bigger.
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