Stainless steel exhaust manifold for all Subaru models both STI and WRX, for the realization of this manifold, CNC industrial bending machines and gas welding with TIG technology are used, to avoid squirting in fact, if the pipes had internal drips, these they could cause the detachment of pieces of welded material with consequent damage to the turbocharger.
Our manifold has welds only where strictly necessary.