what is the biggest engine you can put in a 2005 Subaru Impreza WRX STI

Asked by Tyreec May 05, 2021 at 10:12 AM about the 2005 Subaru Impreza WRX STI

Question type: Car Customization

1 Answer

F_O_R answered 3 years ago

2.5 liters. Contact a race shop that specializes in Subies but they will probably tell you that you need more boost, not more displacement.

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