These high-flow, low-restriction Y-pipe Exhaust Header Packages will boost horsepower and torque by 10%. They feature T304 stainless steel construction and include dual high-flow catalytic converters, as well as dual 2.5" into "two into one" Y-connections and 0.065" thick walls. Packages use all factory sensors and require no welding for a direct, bolt-on fit. Kit includes all hardware, flanges and stainless steel band clamps necessary for installation.