The Agency Power Suction Pipe Kit is aluminum featuring rolled lip ends for a secure fit with the silicone couplers provided. The end nearest the intake is increased to 3.25 inch diameter so it can be used with the factory air box or our aftermarket cold air intake kit. The pipe features the blow off valve return pipe, boost hose fitting, and vent hose fitting. Each part features precision TIG welding and proper setting to match up with the factory components. The kit includes 3 silicone couplers available in black with the AP logo. Also included is the necessary hose clamps needed for installation. The Suction Pipe Kit is available in polished or our Gloss Red to match the other Agency Power intake components. The suction pipe fits all Mitsubishi EVO X vehicles.