Quote:
Originally Posted by CSG Mike
CEL depends on the header.
If you're going to do breathing/exhaust mods, I'd recommend you do ALL the mods simultaneously, so that you don't have to constantly keep retuning.
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I was looking at doing a header-back then then other mods. The very last being headers and supercharger. I would like to have the option of putting the stock header and front pipe on, and off. If I do that would I need two tunes.
Yes this is so I can smog the car anywhere I want.