Exhaust manifold for: HONDA PRELUDE 1992-96 V-Tec Exhaust manifold by TurboWorks, is made of 100% stainless steel. Guaranteed power increase of up to 10% When tuning the engine, the exhaust manifold should be replaced at the very beginning, because the exhaust gases, pressed from the cylinder, go to the exhaust manifold, which is part of the engine body, then they are directed to the first section of the exhaust pipe, and then to silencer, or several silencers arranged in series and then to the exhaust pipe outlet. System diameter: 2 inches (51mm) We provide 24-month warranty for the product. We also offer lambda probe adapters that eliminate the catalyst error. For exhaust manifolds there are also available additional accessories: & nbsp