Exhaust manifold designed for: Audi 20V Turbo 2.2L S2, S4 K26 The exhaust manifold by TurboWorks, is made of 100% stainless steel. When tuning the engine, the exhaust manifold should be replaced at the very beginning, because the exhaust gases extruded from the cylinder hit to the exhaust manifold, which is part of the engine body, then they are directed to the first section of the exhaust pipe, then to the silencer, or several silencers arranged in series, and then to the exhaust part of the exhaust pipe. The set includes a set of gaskets. We provide 24 months for the product We also offer lambda probe adapters that eliminate the catalyst error. Additional accessories are also available for exhaust manifolds: & nbsp