CAI intake question

[mikeyt0207]

Hey all just got the JLT CAI put on my 22’ Mustang GT. Question is it comes with 2 plastic covers one with slots and one that is a solid piece. Would really like to use the slotted one to enhance the sound but a little concerned about the hood vent being directly over the intake box. Should I stick with the solid cover or am I being worried over nothing?

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[SnowFox]

Either is probably fine. The heat extractors on the hood don't really let much rain pass through in my experience.

I'd say you fine picking whatever you prefer.

 

[NGOT8R]

Mach 1, Bullitt and GT350 all have open air filter elements. It’s okay to run the cover that has holes without any worry.

 

[LCK22GT]

Mine is open to the hood vent. I don't drive it in the rain normally, but the few times I've been caught in it the filter stayed dry. The same with car washing as well.

 

[NightmareMoon]

Its a good question. A fully open filter box under a track style wide open hood vent can cause some issues with airflow metering at the MAF meter.

but the OEM hood vent is just a small slit and your airbox louvers arent as open as a fully open vent, so unless you detect some issues with the tune driveability or rougher engine performance then you’re fine.

 

[Paul McWhiskey]

Slotted will probably suck in some hot air from the engine compartment raising IAT. I would go with the solid cover.

I would also suggest that you try both, log ambient temp and IAT over several periods. It would be interesting to see what you find.

there has always been a question about the efficacy of open air boxes when they don’t seal on the hood. Which is most all of them.

a bit of work, but it would be interesting to many of us.

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