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Just curious if anyone has tried this yet and if so, how it worked out. I have a 2017 hatch and all I really want it to actually hear the turbo a little. So I tried the airbox mod, where you remove the bottom of the box and just zip tie the top part with the airfilter and MAF to secure it. It actually works pretty good, I could really hear the turbo and blow-off, didn't notice any different other then that. But, I was little reluctant to just leave the top piece floating there, it is really wet where I live so I was also worried about water and dirt on the filter. There is not enough slack in the wire of the MAF to flip it upside down as some people have done. I was looked at GM parts catalog and whole air box (part #39037482) is about $130 (I'm in Canada). My idea was to purchase that and get the dremel out and cut the majority of the top piece covering filter off. Good or bad idea?
 

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The stock airbox does a good job in keeping engine/turbo noise quite. If you want to hear the turbo it makes no sense to "window" the stock airbox. Just purchase the AEM intake kit. Done.
 

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Just remove the lower portion of the box, take that off and cable tie everything neatly to the frame. Done! Hi will be able to hear the spooling and bov pretty well. Not a cold air but you will get the pssst sound :)
 

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Just remove the lower portion of the box, take that off and cable tie everything neatly to the frame. Done! Hi will be able to hear the spooling and bov pretty well. Not a cold air but you will get the pssst sound :)
Unfortunately, the air filter element could become disengaged in the top housing if the plastic retaining snap-lock were to fail. Its your call.
 

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I'm here to revive this thread! I have a 2017 premiere and I recently purchased a k&n filter that was suppose to fit but it too large in diameter for the box to close completely, I decided to try it without the bottom air filter box piece connected and used zip ties to hold the top piece with the filter and the maf sensor held in place, it worked and sounded great. And then.... i started hearing knocking, it's not a bad knock and comes and goes, no check engine light ever came on, and it actually felt better and seemed to get better mpg. But, because this is a family economy car and not a racecar, I decided to put everything back together. In doing so, I realized there was what seems to be a vacuum line that connect to the bottom piece of the air filter box. Basically, did I mess something up? After reinstalling the air filter assembly back to stock I can still hear the knocking sound but is much quieter. Does this mean it's always been there, I just didn't notice it until having the filter box open aloud it to be louder?

My goal is to know if it's safe to run the car without the bottom piece of the air filter box? I can manage to get the box together but it will not seal completely. Thanks!
 

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From the video I watched on youtube about putting in a k&n intake, that is a drain tube, just in case water gets in the air box.
 

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I'm here to revive this thread! I have a 2017 premiere and I recently purchased a k&n filter that was suppose to fit but it too large in diameter for the box to close completely, I decided to try it without the bottom air filter box piece connected and used zip ties to hold the top piece with the filter and the maf sensor held in place, it worked and sounded great. And then.... i started hearing knocking, it's not a bad knock and comes and goes, no check engine light ever came on, and it actually felt better and seemed to get better mpg. But, because this is a family economy car and not a racecar, I decided to put everything back together. In doing so, I realized there was what seems to be a vacuum line that connect to the bottom piece of the air filter box. Basically, did I mess something up? After reinstalling the air filter assembly back to stock I can still hear the knocking sound but is much quieter. Does this mean it's always been there, I just didn't notice it until having the filter box open aloud it to be louder?

My goal is to know if it's safe to run the car without the bottom piece of the air filter box? I can manage to get the box together but it will not seal completely. Thanks!
its just a drain hose, it connects to nothing
 

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Unfortunately, the air filter element could become disengaged in the top housing if the plastic retaining snap-lock were to fail. Its your call.
If you ziptie the filter in place it will stay fine I found it easier and you get a better sound if you go to autozone or orielly and get a flat cone with the 3in and use a hose clamp it gives great sound and give you a slightly noticeable increase in acceleration/throttle response
 
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