Product updated on 2021-02-04, RK Sport - RKS:29011000, 99-02 Silverado, 00-06 Tahoe & Suburban Ram-Air Hood, The Hood is fully functional bringing fresh, cool air directly into the inlet for increased airflow and performance. The Hood is crafted from hi-temp, hand laid fiberglass for exceptional strength and durability. Installation is straightforward using the , RK Sport Ram Air Hoods are ducted to your factory air cleaner location. Add a cold air intake to make them fully functional. On some models you simply need to install a cold air intake or open up the top of your factory air box.