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Old 10-10-2016, 03:21 PM   #36
renfield90
The Stig's German cousin
 
Join Date: Mar 2013
Drives: 2013 FR-S
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Quote:
Originally Posted by pepe View Post
I can use without catted header JDL without tune ? Knowing that without tune not take the maximum power, but not matter to me.
I do not want to have engine problems misfeeds.
I do not like to change the original tune, I have fear of not going well.
To use headers without tune, not having CEL? injectors have no problems?
Very thanks!
Having a little trouble following you, but:

Catted header = you should be fine without a tune
Non-catted header = you need a tune, or else you will get a check engine light

There are no concerns with the injectors or anything else when replacing the header.
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