Preheat the oven to 325 degrees, grease and flour three 8x2 inch round pans or two 9 inch round pans.
In a medium bowl, whisk the flour, baking powder, baking soda and salt for 30 seconds. Set aside.
In other bowl, add the buttermilk, oil, maple extract and maple syrup. Set aside
In the bowl of your mixer, add the butter and mix at medium speed until smooth. Gradually add the sugar and continue to mix on medium speed for 3 to 5 minutes until lightened in color and fluffy. Add the eggs one at a time mixing until the yellow of the yolk disappears.
Alternately add the flour mixture and buttermilk mixture, beginning and ending with the dry ingredients (3 additions of dry ingredients and 2 of liquid)
Fold in the toffee bits.
Do not mix above medium speed or over mix the cake batter.
Bake at 325 degrees 22 to 25 minutes or until a toothpick inserted in the center comes out clean or with just a few crumbs attached. Let cool 5 to 10 minutes and turn out.