The MBRP S5280409 2.5-Inch Mid-Pipe replacement kit is the stronger enhancement your Ford Explorer/ Lincoln Aviator deserves. Constructed from robust T409 stainless steel, this resilient material is prepared to handle the dirt and debris the roads throw at it. Your vehicle's OEM flex joints can develop leaks over time, disrupting your vehicle's durability and sound. By replacing them with the S5280409, you gain the durability of heavy-duty lined turbo flex joints in this mid-pipe kit, as well as restored tone of your vehicle. With bolt-on installation, and hardware included this kit is ready to be your next project!