I know this is an old post but, just in case someone runs into the same problem..
-the flex-pipe for this car is expensive when it comes to getting it from a dealer or shop. Your best bet is to do a little online research and fit it there. Just make sure it is a direct fit to your vehicle. EBAY AND AMAZON
-Its flanged so its fairly easy to install given you have equipment to give you clearance underneath your vehicle. Just four bolts, nuts, and washers.