Parts & Accessories Spare parts For sale: Sierra 2015 parts Original muffler, cut from original exhaust, intact, nothing wrong with it. Grille sprayed silver with black wrapping. Original grille, intact, but faded from the bottom. Front bumper with chin and rear bumper, all sprayed silver, but needs repainting. 3 cm lift blocks. Original Corsa exhaust tips under the bumper, with a minor note. Borla Attack muffler, intact from the outside, but I don't know its condition. It was installed on the car and fits with the Corsa tips. Very, very flexible pricing.