8th Generation Honda Civic Forum - View Single Post - DIY: Injen CAI install on R18 (lots of pics)
Thread: DIY: Injen CAI install on R18 (lots of pics)
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Old 09-27-2007, 09:07 PM   #56 (permalink)
Tom1222
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Tom Smith
Quote:
Originally Posted by xRivalNightTime
About how much HP do you gain from an intake on the R18?
2-3 hp
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