01Apr Total 911 Features AP Blow Off Valve for 996TT in June 07 Issue The June 2007 issue of Totall 911 features the newΒ Agency Power Porsche Blow Off Valve Kit.Β Check it out on page 25! 0 comments / Tags: 996, Agency Power, Diverter Valves, EVOMS, F-Hose, FHose, Porsche, Silicone, Turbo, Vivid Racing About the Author: admin