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So i purchased some longube headers pypes lt and x pipe

Now does anyone know if ill need a tune for them right away? I believe it uses stock lenght o2 sensors for the fronts. So no slow switching but ehat about lean codes and such?
 

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It's not the length of the o2 wires, it's the distance from the engine, which has to be longer than the stock manifolds. That being said, the only tuning they do really is add delay so you won't get the CEL. Running without a specific LT tune is perfectly safe.
 
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