Prepare Crumb Topping: In a small bowl, combine sugar, flour, and cinnamon. Add butter and mix until mixture is crumbly. Set aside.
In a mixing bowl, whisk together flour, baking powder, soda, salt, cinnamon, and pumpkin pie spice; set aside.
In a large bowl combine sour cream, sugar, melted butter, eggs, and vanilla; beat at medium speed of an electric mixer until well blended. Add flour mixture and mix just until blended. Mix in zucchini and cinnamon chips.