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Old 14 Nov 2011, 03:31 am
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Default 2000 Civic Si Intake/Exaust/headers/B20 Fuel Injectors HP Gain?

I have a 2000 civic si with a JDM B16A Motor which have a stock of 170 Bhp and 111 btq so i was wondering how many Hp will I gain with an aftermarket : (Intake/Exaust/Headers) and i have B20 Fuel Injectors they are wayyy bigger than stock si and i do feel whole lot more torque and hp with them then with stock ones. I was wondering how many Hp will i gain with all that?

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Old 14 Nov 2011, 03:46 am
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You will not gain much by just bolt on. Assuming the aftermarket parts you will install are reputable, you will gain around 15HP with a good tune.
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