Product updated on 2019-07-04, Cervini, CER:1163, Cervini's is widely known for having the best quality fiberglass products in the industry. This Ram Air Type III Hood for your 99-06 GMC, is made of such fiberglass and ducted inside the hood but not to the air box, 1999-06 GMC Sierra and 2000-06 Yukon Ram Air Type III HoodA well manufactured Type III ram air hood that has a finished underside liner that adds extra strength and can be painted for a show quality appearance. This type 3 ram air hood bolts on using OEM Hood hinges, latch and hardware. This Cervini's type 3 ram air hood comes with pre-cut front air ducts and includes factory style honey-combed inserts. Width of scoop opening: 8". Highest point of Hood rise: 2". Height of scoop opening: 2-1/4"