I have read on some other sites that the ej257 has issues with strength vs the reliable ej207. Most of these are on US sites. Is this true for Australian delievered EJ257s?

Was originally going to go 2L for my 400whp build but doing it with a 2.5L may make it more streetable. Only concern is strength

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STi Ver 6 | 2.1L Stroker | 418whp | 11.5 @ 199kph |

Not fast enough dammit!