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ok last answer call dale at custom car in cranbrook at order a agm powermaster battery... they have low internat resistance, tremendous continuous output, and indestructable....
the Optima and Kinetik would be the last one i would get for a civic if i owned your car. Give me a call !! I know what you need as the other batteries will dominate over these two so ya !!
The best batt would be odyssey 925 to go into the factory location if the batt is the small Honda batts against the firewall. But if you are relocating it in the car then any of the bigger odyssey batts would be your best bet.