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Mike Blanz (not verified)    May 19, 2021 - 10:04AM

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I'm confused. The EJ25 engine in the STI has been port injected (sequential) vs. the FA series engine in the 2.0L WRX is direct injection. The mention above in the article is that the STI engine is Direct Injection. I cant believe that in the last year of a ~13 year production cycle of the EJ25 that they redesigned the head and piston and fuel system for direct injection as well as most of the rest of the short block to deal with the change in cylinder pressure.

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