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Old Dec 20, 2004 | 09:26 PM
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oldskoolcivic
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Joined: Jul 2004
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Default ZMAX actually work?

i be seeing ZMAX in schucks and some auto stores.. does it do what it is claimed? like.. more power and save gas becuase of the cleaning of cylinders, pistons, injectors? or is it just all bs to get your money?
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