Design by AlecMoody · Original design · CC-BY-4.0 · Source details. Indexed via 3DCarParts. Source text and images remain credited to their creators; no modified design files supplied.
Designer source image. It may show an installed part, prototype or render; it is not an Orphaned Parts production sample.
Intake tube
Intake tube design listed for 1990–1997 Mazda Miata. Listed category: engine. Verify dimensions, fitment and material suitability before printing.
- Make
- Mazda
- Model
- Miata
- Year range
- 1990–1997
- Submodel
- Not supplied
- Engine
- Not supplied
Source approval status: pending. Source flags do not certify fit, material suitability or safety for your vehicle.
This listing is not offered for sale. Commercial permission or application suitability needs review.
Description
Included are two files, one with a shell thickness of 1.2mm and another with just a skin that can be shelled to whatever wall thickness is needed. For clearance, do not expand the skin more than .5mm. This design was intended for a thin wall thickness.
Engine bay heat soak can causes the part to see very high temps. Enough that PLA is a non starter, and ABS is marginal. My plan was to print these with a 1.2mm nozzle in straight polycarbonate (not one of the more easily printed PC blends)- For printing I was planning to hack together a gcode file from two sperate slice results, with the elbow side at the bottom transitioning into a vase mode print after the bend.
To set this part up you will need:
Assuming a MAP based aftermarket ECU you will need:
*A first generation miata
*Green Filter 2451
*2.5" silicone elbows (90 and 45 degree)
*A 2.5" crossover tube, try to find something thin wall. 2mm aluminum tubes have less ID than this duct
*IAT sensor best placed into the filter end to keep sensor from heat soaking. Easier to tune hot restarts
For best fit, you may need to adjust the rubber bumpers that control latched hood height. Also, some cars will need clearancing with a few hammer strikes to the interior of the hood structure just above the duct bend. Do not slam your hood with this intake.
More info in the very long miataturbo thread:
https://www.miataturbo.net/engine-performance-56/3d-printed-intake-n-na-miatas-76193/page28/
And in this blog post:
http://www.wrenchgame.com/2018/07/12/updated-miata-air-intake-design-now-available/
Source description, under the recorded CC-BY-4.0 license.
Print instructions
- Layer height: 0.2mm
- Infill: 70%
- Supports: As needed
Settings from the source; not independently tested by Orphaned Parts.
Print price estimates
Planning prices for one print, not a final quote. Defaults use a size allowance inferred from the part name, not a measured or sliced model. Filament suitability must be confirmed.
| Filament | USD / print | Application notes |
|---|---|---|
| PLA | $28.50 | Indoor prototypes; not a default material for hot vehicle interiors. |
| PETG | $29.00 | General-purpose candidate; heat and creep need review. |
| ASA | $32.50 | Candidate for UV exposure; verify temperature and geometry. |
| ABS | $31.50 | Enclosed printing; review application and dimensions. |
| TPU | $37.50 | Flexible designs only; not a substitute for rigid materials. |
| Nylon | $37.50 | Moisture, tolerances and application require review. |
| PA-CF | $42.50 | Filled nylon; abrasive filament and fit need review. |
Cost examples only. This design is not offered for sale; permission or specialist application review is required.
Pricing assumptions and exclusions
USD: ($6 setup + $3 finishing + filament weight × assumed spool cost × 1.25 waste allowance + print hours × $2.50 × material time factor) ÷ 0.65. Rounded up to the next $0.50.
Assumed spool costs per kg: PLA $25, PETG $30, ASA $40, ABS $30, TPU $45, Nylon $65, PA-CF $95. Time factors: PLA/PETG 1.0, ASA/ABS 1.2, TPU 1.6, Nylon 1.4, PA-CF 1.5. These are proposed shop rates, not measured production costs.
Design work, test fitting, hardware, shipping and tax are additional where needed. Multi-file sets may need several prints. Use actual sliced weight and time when available. Final pricing is confirmed in writing.
All available source data
- Id
- 81dd1a97-a9a2-4ed1-b385-0a6460cbfa9a
- Part Name
- Intake tube
- Slug
- intake-tube
- Category
- engine
- Cswp Approval Status
- pending
- Download Status
- approved
- Make
- Mazda
- Model
- Miata
- Year
- 1990
- Year End
- 1997
- Submodel
- Not supplied
- Engine
- Not supplied
- Created At
- 2026-07-08T09:23:57.216036+00:00
- Origin
- aggregated
- Source
- thingiverse
- Source Url
- https://www.thingiverse.com/thing:3001440
- Source Creator Url
- https://www.thingiverse.com/AlecMoody
- Cc License Code
- CC-BY-4.0
- Cc License Url
- https://creativecommons.org/licenses/by/4.0/
- For Sale
- No
- Fulfillment Mode
- platform
- Manual Price Cents
- Not supplied
- Image Url
- https://r2-upload.3dcarparts.workers.dev/file/parts/81dd1a97-a9a2-4ed1-b385-0a6460cbfa9a/images/intake-tube-1_1783502638034_u5357p.jpg
- Author
- AlecMoody
- Estimated Price Cents
- Not supplied
- HasMultipleModelFiles
- No
- ModelFileCount
- 0
- Download Count
- 0
- Detail Url
- https://3dcarparts.org/library/1990-1997/Mazda/Miata/intake-tube
Source price fields and sale flags are metadata, not our selling prices. Their currency was not specified in the catalog. File counts do not mean files were downloaded or tested. No manufacturer savings or discontinued status is inferred.