TA Technix Stainless Steel Turbo Manifold Opel 2.0l -16V with C20 XE engines - Turbo conversions with T25 flange connection connection dimension at flange: 73 x 40mm incl. manifold gaskets and mounting kit Adapter Y-pipe suitable for: Opel Astra F Opel Calibra A Opel Vectra A