Silicone Boost Hose Kit Blue Fits 01-05 Porsche 996TT Agency PowerContinuing the process of building the ultimate Porsche 996TT, Agency Power has developed these highly engineered and proven silicone boost hose kits. Like any turbo charged vehicle, air needs to flow in the most efficient way to maximize performance. At a certain level, factory components will not produce the same results. Agency Powers silicone boost hose kit replaces the 4 factory rubber boost hoses with these high quality and purpose driven