The wideband O2 for the FAST XFI system is threaded into the welded bung on the downpipe, and tightened with a 7/8-inch wrench. | 
The turbo intake pipes and large conical air filters connect via a rubber hose and sturdy band clamps. | 
Since the front mount intercooler was already installed,... |
A longer serpentine belt is supplied with the kit to accommodate the relocated power-steering pump and new pulleys. | 
The 3-inch intake pipe was finally connected to the 70mm throttle body, and we were just about done. | 
John connected small hoses and Ts to the wastegates, then ran the hose through the firewall and into a manual boost controller mounted inside the cabin. They had a few more loose ends to tie up before the GN was ready for the dyno, including installing the FAST XFI box, relocating the IAT sensor, and rebooting the plug wires with 45-degree bends to clear the twin-turbo manifolds. |