Tune for Long Tube Headers?

[jjdelicious]

So I have Texas Speed Catted Long Tube Headers for my 2015 mustang gt. I have a corsa extreme catback exhaust and a K&N Drop in filter. The car is STOCK.
i was wondering if a tune would be required after installation.
i’ve read that you don’t need a tune because it comes with O2 Extensions.
please advise.

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[K4fxd]

It won't NEED a tune, but a tune will get the most out of them.

 

[junits15]

If you ask any commercial tuner they will tell you you need a tune because they are financially motivated to sell tunes.

If you ask home tuners or enthusiasts they’ll tell you the truth, you dont

 

[rolfe.oliver]

You do not need a tune.

 

[LethalSteveG]

You won't need a tune as the factory widebands can make some adjustments. A tune though will wake the car up 10 fold. You tend to see it a lot in the mid-range too. A tune is always a must IMO.

Let me know if I can help you get setup if needed as we work with all the top tuners out there!
https://www.lethalperformance.com/s...8-gt/2015-2017-ford-mustang-gt/custom-tunes-1

 

[Ishyne22]

A little late to the party but… A tune is a good idea for idling and proper AF stability. When LTs are installed it moves the distance of your O2 sensors further away from stock positions. There are O2 sensor delay adjustments that should be adjusted for better driveability.

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