Here you can see the stock LS3 intake next to the TVS 2300 Magnacharger. The blower came assembled as shown with all the injectors and fuel rails already in place. This made installation much easier. We did need to transfer the throttle body, MAP sensor, and the TB gasket to the blower. Since the MAP sensor moves from the front of the LS3 intake to the back of the blower intake, Magnuson includes an extension harness.