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Old 02-23-2005, 03:49 AM   #1
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Problem with Airbox Resonator Removal

Hey all,

I heared about the airbox resonator removal on here, and I just tried removing mine, using this is a guide:

http://www.myzx3.com/how-to/resonator.htm

My problem is that it seems, on my focus, my airbox resonator is nothing like what's "pictured"/described. On the drivers side of my airbox, I have an S shaped peice of plastic instead of any type of box, and there are no "pins" holding it in place. It will slide out towards the drivers side, but it stops when it hits the windshield wiper thing (even with the cap off so the top of it goes over it).

After taking the top off of the airbox, I can see the S shaped thing is really long, and the only way to get it off would be to remove the airbox first. Before I go to this much work for it, I just wanted to see if this seemed right... The S shaped thing, if this is actually the resonator, seems like it's not really restricting anything, just moving the intake a little higher.

I just got this car, preowned, so the previous owner might have changed it. Just thought I'd post and see if I was missing something?

edit: Car is a 2003 SVT ZX5


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Old 02-23-2005, 04:56 AM   #2
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You have the correct piece on your SVT. Unless you plan on running a hose to the openning, I'd just leave it alone. You will gain little to nothing just by removing it, since it is already open.
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Old 02-23-2005, 07:27 AM   #3
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you gain nothing by doing it on the ZX3 as well . . . but the sound is slightly different.

If you shimmy and play with it the S piece comes off in two pieces right down the center (the long way, not half inside the box and half outside)

it took it off my SVTF last night when i put a K&N filter in. you can hear the difference but don't expect performance gains.

you could also go to the other resonator mod thread and make the bootleg volant that is outlined :-) you might actaully get some gains from that
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Old 02-23-2005, 07:55 AM   #4
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Yes but it makes a cool noise after taking it out. It dosn't hurt anything and you don't loose any thing. The easiest way to take it out is undo the hose from the air box, take the top off and then gently pull the bottom up and it will come out (held in by rubber presure type studs) then its real easy to take off. Once its off then pop the bottom back down and reassemble.
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Old 02-23-2005, 08:13 AM   #5
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i didn't even have to take the host off the airbox, just slid the top to the side and propped it on the fuse box, then gently angled the side (facing the drivers side of the engine bay) of the air box upwards to give me enough clearance to remove it. i just drove it for the first time since doing this and i'm a lot more impressed than i thought i would be at the sound difference. the note is a lot deeper and it sounds very throaty instead of screechy when you get on the gas.
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Old 02-23-2005, 08:46 AM   #6
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When I still had my stock box, I just lifted up on the snorkel and pulled it out without removing the top of the box or anything. It's made of some pretty tough plastic so don't worry about breaking it, it'll be fine. As mentioned above, it does change the sound, it's deeper and you will prolly like it :-)
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Old 02-23-2005, 01:50 PM   #7
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I removed the lower part of the airbox from the car before pulling out the snorkel, but it seems that that wasn't necessary. Either way, the picture you're referring to is from a non-SVT engine. You've got the right part under the hood.
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Old 02-23-2005, 02:37 PM   #8
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Alright, cool. I just took mine out, had to pull on it pretty hard, but the thing opened in the middle so it could be slid out (didn't even have to unscrew anything this time). Thanks guys, just wanted to make sure I had the right part
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