ARTEC 3" Universal Downpipe Fabrication KitSpecifications and Features: Everything you need to make a great 3" downpipe for your turbo setup, just supply your own 3" pipe! Starting with the cast ARTEC Turbo Exhaust Outlet Flange. The G3 Flange (for Garrett G25 G35 Turbine Housings) makes the transition from your turbo outlet to 3" pipe a breeze. Our cast saddled O2 sensor bung is shaped to match the curved surface of a 3" pipe so you can place it anywhere you need with ease. With machined