This is Agency Power AP-996TT-174BL Blue Silicone Boost Hose Kit Porsche 996TT 01-05. Manufactured by Agency Power.
Continuing the process of building the ultimate Porsche 996TT, 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. s silicone boost hose kit replaces the 4 factory rubber boost hoses with these high quality and purpose driven silicone kit. The silicone hoses each have a precision CNC machined 6061 aluminum ends for a secure and direct fit into the factory or aftermarket intercoolers and intake manifold. Each machined aluminum part is barbed to give a secure fit and then the silicone is clamped on fashionably. Each hose has a small AP logo placed on it.