Scoop air intake Stillen GMC Sierra 2019 - 2026 The advantage of the scoop air intake is that it isolates radiator heat and brings cool, direct air to the filter without any ripples, resulting in much better performance than the agency's. It has an inlet in the grille that sucks in air. Excellent for modified and stock cars. American tuning company Stillen, and it installs directly. Price 1800