What is it that you want to find out, i am running the pro 1 header they sell on ebay for 250 shipped and it works wonderful, no exhaust leaks nothing tig welded nice quality. plus itsl ike atleast 200 cheaper than the two you mentioned, something for yuh to think about. All you need for it is the 02 simulator to get rid of the CEL but big deal i have a picture of my girl right there on my gauges so i dont see it, plus going turbo so an 02 simulator isn't in my future.
