Sti Group N Inlet Hose kit Nik Baker 14th January 2017 Subaru Sti Group N, Subaru Sti parts Genuine Sti Group N red silicone intake hose kit as fitted to the Impreza S203, S204 and the Spec C Type RA R. This is an Sti Homologated upgrade part for GDB Group N Cars. Kit Includes 1 x Red reinforced silicone hose & all clips and fixings required for standard pipe take offs. The Inlet manifold is required to be removed for correct fitment. This will also fit the Impreza S202 and GDB 3 piece manifold types as fitted to the Type Ra and Type Ra Spec C models. This hose differs very slightly from the Impreza S202 version. We have only a limited few available, Please email or call for details and price.