Alpha Performance R35 GTR Upper Intercooler PipingMaximum Airflow For Maximum Horsepower And Torque By increasing the size of the upper intercooler pipe on the GT R from 60mm to 76mm (3) we allow for more airflow resulting in the greatest increase in HP and torque. Each pipe is powder coated in wrinkle black for good looks and durability. Cooler Intake Charge Boosts Power And Response Cooler air makes more power, there is nothing new about that. We designed our Alpha Intake Piping to pull the coolest