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Old 01-16-2013, 08:21 AM   #1
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CAI question

I installed a K&N in my '13 GT and the question is I hear a vibrating sound when I accelerate. It usually happens around 1500 to 2500 rpms and I'm doing about 40mph. There is no loss of power, it only lasts for a few seconds and then sound goes to a nice throaty sound. I've checked to make sure everything nice and tight and it is. No check engine light comes on. It's an automatic and I did no tune.
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Old 01-16-2013, 09:38 AM   #2
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With most CAI's you will hear a "sucking" sound when giving it gas. If you're 100% positive that everything, are you sure that is not what you're hearing?
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Old 01-16-2013, 10:22 AM   #3
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CAI sound

This sound that I talked about happens prior to the "sucking" noise. This is way out there but I'll try to describe the sound. Have you ever seen Christmas Vacation when Clark asks for a drum roll when he is getting ready to plug in the lights? That drum roll sound they make is the best way to describe the sound I hear. I told you it was way out there.
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Old 01-16-2013, 03:21 PM   #4
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Quote:
Originally Posted by blacknblue22 View Post
This sound that I talked about happens prior to the "sucking" noise. This is way out there but I'll try to describe the sound. Have you ever seen Christmas Vacation when Clark asks for a drum roll when he is getting ready to plug in the lights? That drum roll sound they make is the best way to describe the sound I hear. I told you it was way out there.
LOL ... good reference!

Not sure what to suggest ... but a sound like that can only be made by something moving, so something, somewhere has to be loose the way I figure it.

These things are pretty easy to take on and off - try sticking the factory airbox back on and see if the noise continues. If not, then go over the K&N unit with a fine-toothed comb.

Sorry - no brilliant words of wisdom other than that!
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Old 01-16-2013, 03:22 PM   #5
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I'll be you dollars to donuts the junk K&N CAI is actually robbing you of horsepower. Unless you can't live without the looks, take it off for your stock setup.
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Old 01-18-2013, 07:00 PM   #6
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Smile CAI

Thanks MMIKE87 & GRABBER BLUE 5.0 for your input. Even though I checked to make sure that everything was nice & tight and it was, I did not mention that the cover that fits over the air box did not quite fit & one of the 0.8 x 12mm screws did not line up. So instead of having 6 screws I used only 5. Do you see where this going? I got my trusty rat file out & enlarged the hole so that screw # 6 would fit. TA DAH!!!! Problem solved. UNBELIEVABLE !!! ALL IT TOOK WAS 1 MORE SCREW.
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