This intake manifold, with a diameter of 36 mm, is specifically designed for the ST12 and SW20 models. It is a set consisting of two intake manifolds. This high-quality product ensures optimal air flow to your vehicle's engine. The intake manifolds must be connected for installation and are easy to assemble. They are an important component of the intake system and contribute significantly to increasing engine performance. Invest in these high-quality intake manifolds to improve the performance and efficiency of your vehicle.