Cold Air Intake

[GloverPlatinum350]

I have a 2017 6.7L and leveled with 35’s. Looking to get a little better fuel economy. Anybody have experience with a cold air intake and actually gotten a benefit from it? Also just installed a stealth module. Don’t want to delxxx due to warranty.


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[79jasper]

Intake isn't going to make much of a difference. Besides possibly voiding your warranty. Which you already did with the cheapo tuner that are known to fry pcms.

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[Blueswede]

Where do you get your info that Stealth modules fry pcms?

 

[carbonation]

Well, looks like you have hit every chat board with your experience, (advertisement?) .
The air box on the 6.7 will flow more air than you will ever need, so no advantage to change. Take the foam prefilter out during the summer, stuff it back in for winter if you want to fiddle with it.
As far as the Stealth, I'm guessing that since it leaves "all the safety parameters in place", ( which it should, considering you aren't actually changing the firmware in the ECM), that if you start encroaching on those settings it will raise a red flag during servicing. Ford knows what will and won't trigger those red flags, and will probably deny your warranty, whether the ECM has been flashed or not. Besides,elevating HP without trans tuning is pretty foolish.
Good luck.

 

[79jasper]

That isn't exactly a tuner. It's more of a "fooler." So it may or may not show. But if you're going to spend that kind of money, I don't get why you wouldn't get real tuning.
I'm not going to argue it, since you seem to think it's the best thing in the world.

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[Blueswede]

So what's the recommendation for a good solid tuner?

 

[carbonation]

https://www.dp-tuner.com/