Decat Exhaust Manifold - Vauxhall Opel Astra SIgnum Vectra 1.8

Manufactured from T304 grade polished stainless steel

Mandrel bent and fully TIG welded for strength and durability

Removes the restrictive catalytic converter

Direct replacement for the original manifold - comes with gaskets and bolts

Greatly improves gas flow over the original manifold setup with this 4-1 solution