Upgrade your vehicle’s engine performance with the HKS Super Power Flow Replacement Filter Element (70001-AK022). This high-quality, 3-layer green filter boasts superior power flow, collecting dust and debris with ease to maintain optimal engine performance. Over time, the filter’s ability to collect dust may decrease, and it’s recommended to replace it every 6 to 12 months or after driving 6,000km to 10,000km.The replacement process for the HKS Super Power Flow Replacement Filter is quick and easy