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Is this even true? :P


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Yeah the v3/v4 sti's/type r's had more hp than the 280hp stated by subaru .

A mate had just a cat back and panel filter on his unmapped v3 sti ..... It made 308 hp on the dyno probably due to the agressive cams in the v3/v4 heads

If it's not broke .....upgrade it 😊

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