VMP '20+ GT500 5.2 L 81 MM STREET INTERCOOLER UPGRADE The 81 mm street offering builds on VMP's extensive intercooler R&D on the 2020+ GT500 platform.The 81 mm street core is a cost-effective option to control temps on stock or pulleyed down superchargers.12% increase in thickness to remove more... MSRP: Was: Now: $999.99