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MX-5 Miata AFM to 3-inch Adapter

MX-5 Miata AFM to 3-inch Adapter
Submitted bydsalami
SourceMakerWorld
Date indexed5/21/2026

Boost MeHey! I ran this model in my car, a lot could go wrong, huh? But it works well and now you can print yours too! If you have any boosts to spare, I'd appreciate one!This is a simple adapter for the Mazda MX-5 AFM sensor (sometimes referred to as the MAF sensor - incorrectly) which allows it to be directly connected with any 3-inch intake solution, be it a 3-inch circular base air filter, or 3-inch tubing. Printed from various versions of PA-CF, including the Bambu PA-CF and Spectrum PA12-CF15. Both seem to work without any issues with N/A (naturally aspirated) intake, and take the engine bay temperatures pretty well. I didn't notice any deformation or internal/external erosion over several months of usage. It is recommended to use the OEM cork gasket-type-thing between the adapter and the AFM (sometimes referred to as MAF - incorrectly). Washers recommended to dissipate the pressure on the printed part when mounting to the AFM. Printed with 100% infill, 3 wall loops, 0.16mm High Quality Bambu preset. If you're brave enough to go for an easier-to-print filament, it will fit on any BambuLab printer, including the A1 Mini, perhaps one could successfully print it with ASA or ABS with a warm-enough room.

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