991 Porsche 911 speaker adapters - image

Files (3)

4inch-v3.stl

STL

65.2 KB

e430-v3.stl

STL

163.7 KB

md102-v4.stl

STL

92.7 KB

Print plan

Exact totals not supplied

Print setup plan

Useful setup guidance without pretending STL byte size can predict filament, cost, or print time.

3 model files

Material plan

PETG / ASA

Published material guidance; still check heat, UV, load, and printer compatibility.

Starting setup

25% infill

A planning starting point only; wall count, orientation, and geometry often matter more than infill.

Final totals

Confirm in slicer

Choose the needed variant, then slice it for grams, cost, and print time.

Saved setup guidance is used for material, infill, support, and per-file recommendation text; editable numbers are planning estimates only.

Reference shelf

Recommended filament for this print

Product references matched to the published material guidance. Confirm diameter, heat resistance, colour, and printer compatibility.

Referenced item	What to verify	Price & availability
PETG filamentAmazon · Affiliate link	Amazon product page for 1.75 mm PETG; confirm colour, spool size, print temperature, seller, and delivery region.	Check price at Amazon
ASA filamentAmazon · Affiliate link	Amazon product page for 1.75 mm ASA; use an enclosure and suitable ventilation, and confirm seller and regional availability.	Check price at Amazon

Affiliate disclosure: if you buy through an eligible link, 3DPrintedCarPart may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Confirm product specifications, compatibility, seller terms, and vehicle safety before ordering or using anything. Amazon may redirect you to a nearby supported store; otherwise the original Amazon.com page remains available.

Unsure which one fits? Read the automotive filament guide.

Door Panels

991 Porsche 911 speaker adapters

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Print this part

Use the part context as a starting point, then confirm geometry-dependent values in your slicer.

Files

3 hosted model files

STL

Material start

PETG or ASA for durability in car conditions

Saved part guidance

Strength start

20-30% infill for a balance of strength and weight

Saved part guidance

Orientation / supports

verify in slicer

Exact totals

Slice for grams + time

Model geometry and final settings determine both

Vehicle exposure

Cabin/interior use; avoid high-heat zones

Open the STL, 3MF, or OBJ model in your slicer before printing. Exact grams, time, and final support placement come from the actual slice. Test-fit and heat-check the part before installing it in a vehicle.

License & use

CC BY

Commercial use allowed

Attribution required

The file license permits commercial reuse, subject to any applicable attribution or share-alike terms. License status does not verify vehicle fitment, OEM rights, design patents, or safety.

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Description

This is a speaker adapter for tweeters & 4-inch speakers in my 991 911. The 4" adapters fit both the door 4" mids & the rear 4" mids. You'll need the Burmester grills (or modify your Bose or SPP grills) to use this tweeter mount. There are 4" versions for the Dayton Audio RS100 and RS100p speaker, and the Dynaudio E430. The E430 drawing has insets for 3mm bolts, to allow easy mounting (no drilling & tapping holes for the speaker, like on the DA adapter). The tweeter adapter is for a Dynaudio MD-102 tweeter. It comes in two pieces; otherwise the overhangs are too severe to print. You join the two pieces together with adhesive before mounting the speaker. You'll also need to remove the tweeter from the shell it's shipped in; use an Allen wrench to unscrew the bolt, and it'll drop right out.