Our manifolds will increase exhaust flow providing not only instant power gains, but also allowing for more power in the future. ---Manufactured from high quality T304 grade stainless steel ---Mandrel bent and fully TIG welded for strength and durability ---Free flowing 4 - 1 tubular branch design for smooth escape of gasses ---Fully polished to complement the appreciating classics ---Designed to fit the OEM and most aftermarket exhaust systems Compatible with: ---Vauxhall / Opel Astra MK2 & MK3 GTE C20XE Red Top 16V 1987-1998 models VAUXHALL ASTRA F MK3 C20XE RED TOP ENGINE 4-1 STAINLESS STEEL EXHAUST MANIFOLD.
