This is a phase II, multi-center, non-blinded, non-randomized study of treatment with the Treovance Stent-Graft in subjects with abdominal aortic aneurysms. The study will include 150 subjects treated with the Treovance Stent-Graft at a maximum of 30 investigational sites. There will be no prospective control group. Subjects diagnosed with infrarenal abdominal aortic aneurysms enrolled in the trial will be treated with the Treovance Stent-Graft with Navitel Delivery System. Pre-procedure baseline data will be gathered, as well as post-procedure assessments prior to hospital discharge and 30 days, 6 months, and 12 months post-implantation. In addition, annual follow-up visits out to 5 years will be conducted.