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Boost pressure on a Subaru

Updated: 10/21/2022
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15y ago

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While it's very changeable via tuning and physical modifications, I believe the stock WRX is 7-8 psi, and the stock STi is 14 psi. To get really into it, an Eaton M62 supercharger installed with stock pulleys is usually between 2-5 psi, and an Eaton M90 installed with stock pulleys will net 7-9 psi (just incase you're cool enough to try going the route of supercharging)

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Q: Boost pressure on a Subaru
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