The CTS Turbo - SEM Intake manifold FMIC Kit for MK4 1.8T comes in two flavors a 450HP FMIC core or a larger 750HP rated FMIC core. Both intercoolers will enhance the performance and power of your vehicle by reducing charged air temperatures. To keep charged air temperatures in check CTS uses a 25.25"x8"x3" (450HP FMIC core) or its larger cousin 25.5"x9.5"x3.5" (750HP FMIC core) for extreme power applications. Both intercoolers are constructed using high density bar and plate intercooler cores. This kit is designed for use exclusively with the SEM intake manifold and offers a bolt on solution for owners wanting to install the CTS Turbo 1.8T BT Kits onto their MK4 VW WITH a SEM intake manifold. As you all potential purchasers of this kit should know the throttle body on the SEM intake manifold is re-located from the factory position. Please chose your intercooler size using the convenient drop down menu.