@@ -60,6 +60,9 @@ class S3Request(object):

     def __init__(self, s3, method_string, resource, headers, params = {}):

         self.s3 = s3

         self.headers = SortedDict(headers or {}, ignore_case = True)

+        # Add in any extra headers from s3 config object

+        if self.s3.config.extra_headers:

+            self.headers.update(self.s3.config.extra_headers)

         self.resource = resource

         self.method_string = method_string

         self.params = params