This HKS Stainless Equal Length Exhaust Manifold Header is a top-quality product that fits Subaru Impreza WRX STI models perfectly. The manifold is made of durable stainless steel material that ensures the longevity of the product. The manufacturer has designed this manifold with precision to provide maximum exhaust flow and enhance performance. The manifold's silver color enhances the vehicle's appearance and is a universal fitment for gasoline fuel types. The product is made in Japan and comes with an OE/OEM part number of 14019-AF002. If you are looking for a reliable, durable, and high-performance exhaust manifold, this HKS Stainless Equal Length Exhaust Manifold Header is the perfect choice.