This video series is about upgrading the infamous plastic Y-pipes in Jaguar AJ126 and AJ133 engines Part 1 covers the preparations, background, links, and overview of the parts involved Part 2 covers the disassembly process, the tools, and Super Charger coupler replacement Part 3 covers the reassembly steps and highlights some modifications Part 4 discusses other helpful videos and water ingress prevention This video covers how the Y-pipe job turned out. Several other Y-pipe video links are given. LSD & ATB upgrade chart for various diff gear ratios. Rain diverters to avoid rust in the V-section on early F-Types. Helpful video links: Ryan Bengal, DIY in the driveway, resourceful and practical TCnParadise, southern humor, XF, and additional tips Hachem H Mechanic, efficient shop mechanic, learn new tricks HermitTheCrab, husband-wife July 2023 engine seized on way home, total engine swap Symposer Delete Kit VAP Wraptor Customs For more videos see: @OncaEngineering Music: "Jaguar" by YagoBeats, "Jaguar" by Punk Pit