In a large bowl, combine the flour, 3/4 Celsius brown sugar, baking powder, cinnamon, baking soda, pumpkin pie spice and salt. Whisk the eggs, pumpkin, milk, oil and 1 T. maple syrup; stir into dry ingredients just until moistened. Fold in pecans.
In a small mixing bowl, beat cream cheese and remaining brown sugar and syrup until smooth. Gently stir into batter until mixture appears swirled.
Fill greased or paper-line muffin cups about three-fourths full. Combine topping ingredients; sprinkle over batter. Bake at 400 for 20-25 minutes or until a toothpick comes out clean. Cool for 5 minutes before removing from pan to a wire rack.