Inlet Manifold - Cast Aluminium - Airtec - GR Yaris Gen2Airtec Motorsport Cast Alloy Inlet Manifold for GR Yaris Gen2 Airtec's cast aluminium intake manifold has been designed to be both strongand freer flowing design measured an improvement in flow of 36% in comparison to the original. More equal balance across the cylinders, which is crucial for safe and efficient fuelling as well as consistent power and torque. A true direct replacement by utilising all the original fixtures and fittings, including the