Adding M88 option on Barrcuda ,information on holes ?

[DougfirUcode]

looking for best process to correctly place clip holes ,on a barracuda ,to add this trim option.
Thank You for any feedback

 

[Kansan]

Not sure, but someone will be along to clarify. I think it depends on the year. Early trim went on the panel and later trim (like my 73) went on the trunk like. What year are you working on?