Out-of-Stock Home Stainless steel exhaust manifold €900.83 Taking advantage of the experience in WRC, WTCC, Prototypes, Rallycross ... These carefully designed manifolds are born, calculated in flow and done with TIG purge welding process, only within the reach of the first level motorsport teams. Parallel ports (not round) for precise delivery with the cylinder head. Stiffness without equal. Simply the best. View