Dramatically Reduces Intake Air Temperature (IAT) Increases Horsepower While Minimizing Power-Draining Heat Soak ! Efficiency tested at over 500 HP! 21 horsepower gain over the factory system! Massive Core Size Using the OEM slot allows for a massive intercooler core. 24.25" x 16.25" x 1.25" - 492.5 in³ - OEM GTI 24.25" x 16.25" x 1.37" - 529.8 in³ - OEM Golf R 24.00" x 16.25" x 2.25" - 877.5 in³ - APR Intercooler installed in the best location for this rig Uses factory air dams for exceptional airflow through the core. 100% Adaptive Cruise Control (ACC) compatible Highly efficient core design Bar and plate core with staggered and louvered fins Rigorous testing determined core style, density and fin size Low pressure drop + highly efficient cooling = high performance! smooth cast iron end Designed for low turbulence/restriction and maximum flow Organically shaped to promote airflow throughout the core Pressure tested to prevent power leakage No labor costs hidden artwork or permanent alterations No trimming, trimming or other expensive alterations required. adaptive cruise control system required. Full instructions and world-renowned APR customer support included. Designed by engineers with lasers With the best equipment and the smartest engineers, it works!