Hey there, folks I am working on a new project: The goal is to fit a velocity stack to the inside of the OEM airbox. First, with some careful prying,
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05-13-2014, 04:24 PM | #1 (permalink) |
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Suggestions for Velocity Stacks?
Hey there, folks
I am working on a new project: The goal is to fit a velocity stack to the inside of the OEM airbox. First, with some careful prying, I was able to separate the airbox into front and rear halves. Next, I need to fit a velocity stack at the inside intake inlet similar to one of the pictures below... or I'm not sure which variant will be easier to fit or work "best" (although I'm leaning towards the one in first pic on the right), and I'll probably have to figure out a gasket of some sort too. I'll either have to drill in screws to secure or take my chances with JB weld (not sure if that's a good idea after the filter...) The problem I'm having is in finding velocity stacks I can work with. Ideally it will have a 2.25" ID and an OD that will mate up nicely to the intake inlet on the inside without any gaps (again, I may have to make a gasket of some sort...). This means it will either need a built in flange or snap into the inlet area without reducing the ID. I'm having a very hard time finding suitable velocity stacks... internet search points me in directions that have thus far not been exceptionally helpful. Does anyone have any suggestions on where I could find something that might work? I'm leaning most toward the flatter flange type fitting, but I'm open to suggestions... Thanks! EDITED for correct ID!
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Enjoy it. Destroy it. Last edited by Jordo!; 05-15-2014 at 06:16 PM. |
05-13-2014, 04:48 PM | #2 (permalink) |
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Maybe it's just Chrome, but I can't see any pics.
I'm interested to see how this works out. I've got an idea similar to what you're working on, but I haven't picked up another set of airboxes yet. |
05-13-2014, 08:53 PM | #4 (permalink) |
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Improving flow -- some nice bellmouths on the inlet side should smooth out flow and give me a reasonable bump in power -- say, 5+ across the board, with improved throttle response to boot.
It might be worth making a second one leading to bumper to airbox inlet, but this one is the one that should make the most difference. A lot of OEM airboxes have one -- kind of surprised Nissan didn't bother... I think I can make a nice gasket out of rubber, so it will flex and cover any gaps -- all I need now is a bellmouth with a flange. I was looking at some throttle body and carburetor parts as a possible solution... Can anyone direct me to flange mount velocity stacks like the one on the right in the first picture above?
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05-14-2014, 03:35 AM | #8 (permalink) |
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I figured out the problem -- pics will be visible in just a sec... sorry about that...
Okay, should now be visible... sorry, I had the album set to private by accident... D'OH!
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05-14-2014, 10:48 AM | #9 (permalink) | |
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Quote:
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05-14-2014, 03:06 PM | #11 (permalink) | |
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I've been scouring sites like this one AIR HORN<br><font color="red">52840.010</font> But have not been able to find one yet with an ID of 2.25" (can someone confirm the ID of the intakes?) Another possibility is here Velocity Stack Filters They have a 2.28" ID, which is close -- PJM-VS-3. Looking to see how much for two of those with a flange. I'd really like something identical to the one in the first pic on the right, but no luck so far If anyone knows of a place where I can get what I am looking for (ideally on the cheap) please let me know! This is a fairly easy mod to to, should net easy power with the OEM set up (and of course I'll test on dyno like I always do). I'm hoping to find that this, plus K&N panel+smooth tubes easily meets or exceeds G3's in performance (it should, as just the K&N+tubes got one in the ball park).
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05-14-2014, 06:55 PM | #14 (permalink) |
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Hey, actually let me confirm that I am an idjit: The ID of the OEM intake appears to be NOT 2.5", but rather 2.25" (it's wider after the MAF to accommodate the intake tube, but all air measurements are based on a diameter of 2 1/4") -- can someone confirm this????
If so, I can definitely find ones with that ID.
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