Exhaust manifold designed for: Nissan 240SX S13 SR20DET Top Mount (89-94) TurboWorks exhaust manifold is made of 100% stainless steel. cylinder goes 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 outlet part of the exhaust pipe. The set includes a set of gaskets. 24-month warranty. We also offer lambda probe adapters that eliminate the catalyst error. Additional accessories are also available for exhaust manifolds: & nbsp