In reply to:

The manual says 8 degrees is optimal, though 0 to 16 degrees is allowable (page 6).
I'd hope that I'll still get most of the protection, it's pretty near to 16 degrees
(the picture is a little deceptive as to the exact angle).

I measured 14 degrees on my '00 Boxster S, which, as he said, is pretty near
to 16 degrees. ('00 Boxster S, sport interior, digital sound package, 18" wheels,
Arctic Silver). Mine looks almost exactly same as the picture, except mine
doesn't have an Empeg .

-gbeck

Still waiting #145xx.....

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#080000480