---Manufactured from T304 grade stainless steel ---Fully polished and ported for maximum exhaust flow ---Free flowing catalyst replacement to get the most from the 1.4 16v engine ---Designed to maximise the exhaust flow, helping the engine to breathe ---Sold for off-road and track use only Fitment: ---Volkswagen Polo MK4 1.4 16V 2002-2009 models. Please Note: This Manifold is only suitable for the AUA engines.