The Quickfit uses the vehicle's stock cold-air inlet and filter housing and augments it with an Airaid Premium Filter and Cold Air Damsetup.
Airaid Quickfit Cold Air Intake System Replacement Filter Nissan Xterra 2000-2004
Quickfit Replacement Filter
Airaid Quickfit Cold Air Intake System Replacement Filter Nissan Frontier 2000-2004
Quickfit Replacement Filter