HKS racing suction kit for S13/S14/S15 SR20DET. Comes with polished aluminum hardpipe to replace the brittle stock rubber turbo hoses that tends to crack with age. This kit is for the show minded drivers that wants all show and all go! Also available for S13 SR with Z32 MAF HKS Racing Suction Reloaded Kits have been developed as the leading intake system for high performance applications. Each kit features aluminum suction pipes that have been tested for optimal air flow. Included in each kit is HKS' Reloaded filter with its patented Super-Funnel and new technical advances: - Filter cage allows for 30% more intake surface area - Aluminum back plate for added strength - Sealing ring reduces contaminants from entering engine - Dual Density wet filter element