For Sale - Brand new in the box new old stock HKS (Hasegawa Kitagawa Sigma) Super Power Flow for 90-93 Acura Integra. Comes new in the box with filter, piping, hardware and instructions. Out of production for a while and is no longer made! This will look incredibly awesome upon opening your Integra hood and sits a Genuine HKS SUPER POWER FLOW! This is hands down one of the cleanest and rarest JDM intakes ever made. Filter element is replaceable and is still made by HKS. I HAVE ONLY 1! Part Number1504-SPFH03 PM me for payment details. $150 shipped in the U.S. I can ship immediately!