Details Directly replace your Explorer ST’s restrictive charge pipes with aFe POWER’s BladeRunner free-flowing, heat-resistant aluminum charge pipes. Hot Side Outflows the Factory Charge Pipes by up to 15% TIG-Welded 2-1/4″ Aluminum Pipe Features Premium Stainless-Steel SmartSeal Clamps And 5-Ply Silicone Couplings 1/8″ NPT Ports are Provided for Connecting Sensors or Water Methanol Injection Powder Coated Wrinkle Black for Heat and Corrosion Resistance   Flow and Performance: Smooth transitions in the mandrel-bent aluminum pipes decrease turbulence and minimize pressure loss, increasing horsepower and torque. Premium Hardware: This kit includes high-quality, stainless-steel, SmartSeal clamps and heavy-duty, 5-ply, polyester reinforced silicone couplings for superior strength and durability. Custom Appearance: Finished in wrinkle black powder coating with a unique laser-etched aFe POWER logo for a custom look. When it comes to engineering for power, performance, protection and value, aFe POWER is the only choice. Emissions DisclaimerThis product is not currently CARB exempt and is not available for purchase in California or for use on any vehicle registered with the California Department of Motor Vehicles. Fitment NoteThis charge pipe kit ONLY fits vehicles with a build date of 09/21 and later that are not equipped with a factory bypass control valve located on the hot side charge pipe. See P/N 46-20654 for combo kit or P/N 46-20658 for hot side kit if your vehicle is equipped with the factory bypass control valve on the hot side charge pipe.