This is how Subaru made 341 HP from WRX STI’s Engine
The key to unlocking the BMW M4 GTS is water injection. However, it’s done in a slightly different manner. The 2019 Detroit Auto Show was a highlight. It featured the WRX STI S209, the first S-series Subaru that entered the U.S. market. Although it came with an unofficial 341 horsepower rating, the engine should actually […]
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