Codeman6308

I was curious if it was worth changing on a 2017 Ecoboost. I am reading mixed result on it. Some say the stock one is great and works just as good as the aftermarket. Other say you can add quite a bit of power with changing it out. Any thoughts or experiences with this? I want to change it also because I like the look of the Airaid ones.

Second question was are the blow off valve worth changing? Everything I see the stock one again is just fine and unless your doing some major boost changes they are not worth changing. Any help or thoughts on this would be greatly appreciated!

08'MustangDude

A CAI is not an exposed conical air filter you can SEE when open the hood.
A TRUE CAI, like the factory intake, pulls are from outside the engine bay.
The factory one pulls air from inside the fender-well, which is air from
outside the engine bay.

Have not seen the 2015+ ones, but if there is any baffling inside the
fender-well, you can cut it out. You only need the air-box snorkel inside
the fender-well; or you buy a CAI where the cone filter installs on the
end of the intake inside the fender-well. Yeah, though that means
pulling the liner, and pulling it when you need to clean the filter.

If you look at the Gen4 Mustang, it's also a CAI. You can see the filter
housing inside the car, and the tube runs right to, and out the passenger
side fender-well. Can get an aftermarket setup like that for yours if
they're our there...

Do not mess with the BOV unless you have a specific reason, which would be
adding boost. The reason is with more boost the factory one my partially open
under that boost, so you don't get it all when needed.

MikeHTally

I've dug into this a fair bit. No one has been able to demonstrate more than minuscule improvements in HP/Trq over the stock CAI. It pulls air from behind the driver's side head light. Its the same one used in the 400+ HP GT. If the V-8 can breathe through it, the 2.3L should be just fine up to quite a few improvements in other areas.

tylert11

I think you should install COBB cold air intake or something like that only after stage 1 . Because it's useless for stock car

tequilla

I have a 2017 Mustang Ecoboost and was thinking about cutting a hole in the factory air box into the fender well to allow another path of cool air to enter. I know I could possibly get some water up there on a wet rainy day. The biggest negative I can see is that if the factory setup gives any ram air effect at speed I would loose that as the fender well opening will create a low pressure area.

Anyone have any thoughts or ideas on this?