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This is nothing new. Evo guys have been using destroked 2.1 or 2.2 motor and spinning it up to 11,000 rpm. This obviously opens up powerband for large turbos. I'm not sure what kind of fuel was used in the sti, but 618whp isn't that impressive with GT40 series turbo. Great car nonetheless.
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03 Golf TDI w/ r32 conversion - 120bph/40mpg ftw for now..
06 Evo IX MR - 500whp,,,sold.....  |