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I am planning on installing a set of JBA silver coated 1.75 long tube on my car. I am wondering If I will need a tune for my 2010 Dodge Charger SRT8 with the 6.1 Hemi. The car currently has a K&N CAI kit installed on the car with Borla ATAK cat back exhaust. It is running the 91 Octane CAI tune at the present time with a diablo sport intune i1000 tuner.

Would it be best to acquire a complete new tune, or adjust existing tune fuel maps with the i1000 tuner?

Where would be the best place to acquire a tune to accommodate the headers?
 

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There is absolutely no requirement for a tune after installing properly designed long tube headers. The gains are as a direct result of their design (Helmholtz Effect).

Any "extra" gain a tune might offer would not be from the headers but from dipping into available gains (minor) from altering timing and A / F.

So try not to buy into the rhetoric that tries to claim otherwise (especially if there is a vested interest :^).
 
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