New Products, Turbos Steam STX 71 STI Spec-C Twin Scroll Edtion June 11, 2015 SteamSpeed [Sam] Leave a comment Ever wondered what the Steam STX 71 looked like in a JDM-style STI spec-c fitment? Wonder no more! Steam STX 71 for STI Twin Scroll Steam STX 71 for STI Twin Scroll Steam STX 71 for STI Twin Scroll Steam STX 71 for STI Twin Scroll STX 71 vs GTX30 turbine map Steam STX 71 vs Garrett GTX3071R compressor map The STX 71 vs VF39