Originally Posted by Courtesy Flush
Im not speaking for the rest, but a good tune has more done than just turning off COTP & nannie lights on these cars with no cats. Thats just one part of it.
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Thats why im asking Tim to chime in. I already have a tune. just needing to know if it needs another one. All your doing with the exhaust is increasing flow after the combustion process so the power gain comes form the flow not the actual tune.