It cost me $45 per set from Flying Miata and that is with the heater tube that already has the feed for the turbo built in and clears the turbo manifold and other stuff as well. I can send you pictures if you send me an email. Where are you located? Your other option is getting the BEGI reroute that includes the changed waterneck but its over $200 which is why I went the MSM waterneck route.