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I designed/printed these up for my VEMS installation. The gasket isn't anything special (indeed, might be problematic wrt how narrow it is at some points), but the adapter is designed to not expose any plastic to the air stream, with the thought that a failure that results in bits of plastic in your filtered turbo-bound air isn't possible.
I used this, but any random 3" pipe should be fine. I cut this 12" piece in about half, but probably could've used another 1/2" - 1". It should press-fit into the adapter, and bottom out flush against the airbox plastic. You'll also want 4x M6 press-fit threaded inserts.
As far as print settings: ABS or hardier, I used 4 walls, 100% infill.
four0four wrote: Sun Oct 15, 2023 10:20 pm
I designed/printed these up for my VEMS installation. The gasket isn't anything special (indeed, might be problematic wrt how narrow it is at some points), but the adapter is designed to not expose any plastic to the air stream, with the thought that a failure that results in bits of plastic in your filtered turbo-bound air isn't possible.
I used this, but any random 3" pipe should be fine. I cut this 12" piece in about half, but probably could've used another 1/2" - 1". It should press-fit into the adapter, and bottom out flush against the airbox plastic. You'll also want 4x M6 press-fit threaded inserts.
As far as print settings: ABS or hardier, I used 4 walls, 100% infill.
Installed looks a little like so:
I keep trying to print this and after the base is printed it starts to go wide and printing filament without lowering down to the plate.
Bumping this one, because I just sent off this part to print via Craftcloud. $44 shipped in GF Nylon from Tay 3D in N Carolina.
This one is nicely one piece, so just needs 4 x M6 heat set inserts and should be good to go. A little concerned about inserts into the glass filled nylon. PC would have been easier, but couldn't resist the strength and heat resistance of the GF Nylon at that pricing.
Thanks to Ollie Lewis who designed and uploaded the part to Printables. He also has one that includes a boss for an IAT sensor (for 944 N/A MAP setups).
whatsapp-image-2025-06-03-at-203118_d234635e.webp
944-afm-delete.stl
EDIT: notable that this option is available in Europe from 928-944parts.com but it's pricier than printing and requires mounting it with thru-bolts and nuts (which is no biggie, but the attached file seems like a cleaner setup).
