Since I responded on the Boss site figured I should include all those pictures over here rather than leave it like I dropped the ball
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Sorry took a little while to get to the car and take some pictures. Consider that the measurement may be of a fraction given the thickness of the ruler and the angle. Bottom line - I hope this helps sorry its not an original paint and stripe car - just what turned up nicely IMHO for me
Measured along the top edge of the center thick part of the stripe
And an attempt to try to get the furthest edge.
Appears to me that the longest area was along the top edge