This HPS high temperature 4-ply reinforced silicone air intake hose kit replaces the TRD Performance air intake hose with high-heat resistant material which meets or exceeds OE specifications for a maximum temperature rating of 350 degrees Fahrenheit. By replacing the stock tube with the HPS silicone air intake kit, dyno testing shows increased performance output of 4 horsepower and 4.1 lb-ft. of torque to improve acceleration and throttle response from mid-range to redline without sacrificing any bottom end performance. This upgrade includes HPS 100% stainless steel T-bolt clamps for a premium fit suitable for daily driving and extreme track conditions. No modifications are required to install this kit.