Posted April 2 · Report post Here's a CAD Alloy XFlow header flange for anyone who wants to make their own manifold. I've got it at 12mm thick for turbo manifolds. I've also got a dxf file to send directly to laser cutters to save coin having it formatted. PM me and I can email it. Sent from my SM-G610Y using Tapatalk 77xcfalcon, Valvebouncer, Ando81 and 3 others like this Quote Share this post Link to post Share on other sites