Himni Racing 3.00" T3 5 Bolt Internal Wastegate Mounting Adapter Weld on Exhaust Flange Precision CNC Machined and Made In The USA Universal Fitment, Industry Standard 5 bolt Design & Bolt Spacing, Does not work with Chinese Turbos (only name brand) 1/2" Thick Resists Warping, Made of Mild Carbon steel, Fits a Wide Range Of Turbochargers DIY Use, Weld Flange Used To Custom Fabricate T3 Downpipes Highest quality available with Excellent machined finish Step-Groove design allows this flange to work with 2.50" to 3.00" downpipes/tubes and allows the downpipe to sit flush with a smooth flow path