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I have a 2002 Honda Civic EX 2door with a 1.7Liter V-TEC engine, the contoller is about 300 bucks and i just wanna make sure its something worth the money
not unless you got some kind of fuel managment and enough mods for it to matter. Personally I don't feel they are worth it unless you did some top end work; cam, valvetrain, port/polish.