FiTech EFI Tuning Forum MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:ForumPost History: bigstevoPlease Login or Register to create posts and topics.Post History: bigstevobigstevoUserProfilePost HistoryI am new to fitech equipment and changed intake for a customer and now it backfires, and overheats. …In: changed intake manifold now all kind of problems.8 years ago