Intercooler Piping are CNC Machine Mandrel Bent (Jp Design) Made From High Quality 6061 Aluminum Material with chrome finish. Extra Thick Piping and Increased Air Flow Light weight design. Made from Aluminum.(Increase 10-20 HP). All TIG Welded 6061 Aluminum. PSi Drop under 0.2. Other Intercooler usually drop 10Psi Some are More.(FITMENTS ARE SUIT FOR THE LIST MODEL ABOVE, SMALL MODIFICATION OR ADJUSTMENTS MIGHT BE NEEDED)