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Audi B5 S4 Front Speaker Adapter for 5-1/4" Kicker Speakers - image

Files (1)

Revised_B5_S4_Speaker_Bracket_Adaptor.stl
STL
115.9 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.
1 model file
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

Slice the selected model with your final material, orientation, walls, and supports.

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

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Interior

Audi B5 S4 Front Speaker Adapter for 5-1/4" Kicker Speakers

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

Files

1 hosted model file

STL

Material start

PETG or ASA for durability and temperature resistance

Saved part guidance

Strength start

20-30% infill for a balance between 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.

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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

Modified fergusykes adapter to be able to be used with my Kicker 46CSC54 speakers, linked here: https://www.bestbuy.com/site/kicker-cs-series-5-1-4-2-way-car-speakers-with-polypropylene-cones-pair-yellow-black/6333350.p?skuId=6333350 I believe the original adapter was designed for a 4" speaker, but the kickers are 5-1/4". They fit pretty well, but the driver side was a little finicky to get one and doesn't sit perfectly flush. The original file included a ring to add TPU or silicone to prevent rattling, which I didn't go with and it sounds perfectly fine. I included the inventor file, as-well as the original author did so you can modify to your speaker bolt pattern. Used the original bolts to mount it to the car, and used M4 machine screws with locknut washers to secure the speaker to the mount. I believe they were M4-25.

Compatible Cars

Published Jun 27, 2026Updated Aug 11, 2026

Originally published on thingiverse.com by Jacob Lahue (jlahue57) · License: CC BY

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