No tune needed, US cars are car SD/Map based from the factory. That being said you will gain the most benefit from the tune.One more question for the group, i wasn't going to do any of the installs myself, but am thinking i just may save myself some cash and do so.
Question is, if i install an intake, IC, IC piping, recirc valve and spark plugs, am i still able to drive for some time without a tune? Or would this require a tune immediately afterwards?
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