crnacnac 10+ year member
Senior VIP Member
Not a coupe but a '65 Fastback I did
https://www.caraudio.com/threads/65-mustang-fastback-audison-dynaudio-jl-audio.609536/#post-8781827
https://www.caraudio.com/threads/65-mustang-fastback-audison-dynaudio-jl-audio.609536/#post-8781827