Print one adapter for each side!
Compatibility
2012.5 - 2019 Porsche 911 (991)
2013-2016 Porsche Cayman & Boxster (981)
Speakers
Audio Development MM4 (email them and they will remove VAT)
Hardware
4x screws McMaster-Carr Part #
93070A064
4x nuts McMaster-Carr Part #
92233A223
Reuse original mounting screws.
Notes
You must create a gasket from closed cell foam to go between the speaker and adapter because the original screws are sandwiched between