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Re: cold intake ??
When they say that the hp gains should be 15 hp, is that on a car with everything else done to it or what do they base the hp gain on? I have an AEM intake and it said something similar, but it does help...at least in throttle response. How much it helps, i don't know.
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2015 DGM STi - 2006 SGM STi - 1999 Built/boosted GSR
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