T25 T28 to T3 T4 Turbocharger Turbo Manifold Flange Adapter Converter T3 to T25 New Brand new adapter, Highest quality, hassle-free return. T3 to T25/T28 turbo flange adapter conversion. It is made of high quality cast iron. Thickness: 1/2'' Flange to Flange: 1.5'' Item exactly the same as picture shown.