Preheat oven to 325°
Grease and flour muffin pan.
Add flour, pumpkin pie spice, salt, baking soda and baking powder to a bowl.
Beat eggs, sugar, vegetable oil, pumpkin and vanilla extract in a second bowl until smooth.
Stir wet ingredients into flour mixture, gently fold in zucchini.
Bake muffins for 35-40 minutes in preheated oven.
Allow to cool on rack for 20 minutes.