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Old 05-11-2013, 12:24 AM   #1
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Do you run your CAI intake without the top lid?

I understand the lid acts as a seal against the engine compartment air but I would like to know if anybody doesn't put it on. If you keep yours on, no need to post (I already know most do). I want to hear from those that don't and whats your reason/impression.
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Old 05-11-2013, 12:27 AM   #2
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Why would you run it without the top? The top edge of the box isn't tall enough to seal itself against the hood. That would allow you to suck in hot air from the engine bay.
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Old 05-11-2013, 12:27 AM   #3
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I'm interested in their opinions too. I've heard of people removing the lid as well. I personally don't do it but want to see what they say.

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Old 05-11-2013, 12:36 AM   #4
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You may as well just use a K&N if your gonna do that. That's like inviting the hot air in?? Why would you want to try that?
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Old 05-11-2013, 12:38 AM   #5
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I took the 'glass out of the lid but I've got a functioning Cowl hood and there is a gasket that goes there in place of the 'glass
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Old 05-11-2013, 12:55 AM   #6
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Quote:
Originally Posted by axis View Post
Why would you run it without the top? The top edge of the box isn't tall enough to seal itself against the hood. That would allow you to suck in hot air from the engine bay.
Pretty sure he understands that if you read his post he is questioning why some people do remove it

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Old 05-11-2013, 01:24 AM   #7
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Quote:
Originally Posted by DRKnight1SS View Post
Pretty sure he understands that if you read his post he is questioning why some people do remove it

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Who has done it? I've never heard of anyone doing that. There is absolutely zero benefit and a definite disadvantage.

Quote:
Originally Posted by Nutro View Post
I took the 'glass out of the lid but I've got a functioning Cowl hood and there is a gasket that goes there in place of the 'glass
Now this is common for those that have a ram air hood. It's not really off but the glass is out and CAI makes a addon to the lid to help it seal against the ram air opening.
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Old 05-11-2013, 02:51 AM   #8
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I took off the lid AND the filter. If you're gonna go...go all the way!!!
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Old 05-11-2013, 04:56 AM   #9
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Quote:
Originally Posted by SS785 View Post
I understand the lid acts as a seal against the engine compartment air but I would like to know if anybody doesn't put it on. If you keep yours on, no need to post (I already know most do). I want to hear from those that don't and whats your reason/impression.
Quote:
Originally Posted by Nutro View Post
I took the 'glass out of the lid but I've got a functioning Cowl hood and there is a gasket that goes there in place of the 'glass
What Nutro is describing is a fairly common mod for those running the correct hood, but I have never seen nor would I recommend running without the lid on a CAI Inc intake. It would result in noticeable power loss.
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Old 05-11-2013, 05:06 AM   #10
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Quote:
Originally Posted by Apex Chase View Post
What Nutro is describing is a fairly common mod for those running the correct hood, but I have never seen nor would I recommend running without the lid on a CAI Inc intake. It would result in noticeable power loss.
On the contrary Chase, but you did say with the correct hood. I run the MPD1 Z-Force hood, it's a true ram induction hood with a gasket placed right over the space where the plexiglass lid was. Bill from CAI, Inc made me a custom one without the plexi lid attached. If you're running that hood or any ram air hood the lid should be removed, you Will see a power gain. See pics below. Windshield wiper fluid tank has been converted for Meth & I'm over 700 RWHP
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Old 05-11-2013, 07:07 AM   #11
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Quote:
Originally Posted by Liam View Post
I took off the lid AND the filter. If you're gonna go...go all the way!!!

Hell yeah... I take off the whole intake, and the hood!!! jk



But physics tell me, if your car is sitting there, without the lid your engine will suck in hot air.

But as far as driving, the cool air will be pushed thru the radiator, and push the hot air from the motor out towards the back of the hood right?

I mean, the optimum setup is to have it closed off to get as cool air as possible, but its not like with the lid off itll all just be as hot as the motor
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Old 05-11-2013, 09:34 AM   #12
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Quote:
Originally Posted by Kronix View Post
On the contrary Chase, but you did say with the correct hood. I run the MPD1 Z-Force hood, it's a true ram induction hood with a gasket placed right over the space where the plexiglass lid was. Bill from CAI, Inc made me a custom one without the plexi lid attached. If you're running that hood or any ram air hood the lid should be removed, you Will see a power gain. See pics below. Windshield wiper fluid tank has been converted for Meth & I'm over 700 RWHP
I think you may have misunderstood what I was saying. The "correct hood" set up I was referring to is what you are running. That is the only application in which it makes sense to open up the top of a CAI Inc intake. Simply running without a lid like the OP described would allow hot air in and harm performance.
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Old 05-11-2013, 04:51 PM   #13
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Quote:
Originally Posted by Kronix View Post
On the contrary Chase, but you did say with the correct hood. I run the MPD1 Z-Force hood, it's a true ram induction hood with a gasket placed right over the space where the plexiglass lid was. Bill from CAI, Inc made me a custom one without the plexi lid attached. If you're running that hood or any ram air hood the lid should be removed, you Will see a power gain. See pics below. Windshield wiper fluid tank has been converted for Meth & I'm over 700 RWHP
Um, isn't your ram air hood considered the "correct hood"?
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Old 05-11-2013, 06:13 PM   #14
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Quote:
Originally Posted by Apex Chase View Post
I think you may have misunderstood what I was saying. The "correct hood" set up I was referring to is what you are running. That is the only application in which it makes sense to open up the top of a CAI Inc intake. Simply running without a lid like the OP described would allow hot air in and harm performance.
No Chase I understood exactly what you're saying, that's why I said what I said below in bold. Believe me, you've helped me enough that I know you know what you're talking about



Quote:
Originally Posted by axis View Post
Um, isn't your ram air hood considered the "correct hood"?
Same answer that I gave above, I understood EXACTLY what was said and yes, I know I have the correct hood, I built it that way. From a few of your posts above I see reading comprehension isn't a strong point, I guess I'll have to be simpler next time.




Quote:
Originally Posted by Kronix View Post
On the contrary Chase, but you did say with the correct hood. I run the MPD1 Z-Force hood, it's a true ram induction hood with a gasket placed right over the space where the plexiglass lid was. Bill from CAI, Inc made me a custom one without the plexi lid attached. If you're running that hood or any ram air hood the lid should be removed, you Will see a power gain. See pics below. Windshield wiper fluid tank has been converted for Meth & I'm over 700 RWHP
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