Fitting Rear Speakers

[chipmunk]

Does anyone have any experience in fitting rear speakers (in the box behind the headrests)? I was hoping that Harvey would produce some more kits but he has informed me that he has decided not to continue. I am therfore left with the option of either using the standard Porsche speakers or looking elsewhere for something a little better.

If anyone can suggest a good car audio shop in the Sevenoaks, Tunbridge Wells Kent area (United Kingdom) that would be a big help.

For info - all the parts required for installing rear speakers in a 986 are available directly from Porsche. I understand the speaker grills are no longer available in the USA however they are in the UK.