Now is the time to install the exhaust system, pyrometer, and optional boost gauge. The Banks exhaust is different according to application, but easy to figure out. In the end, we were forced to have a new exhaust system fabricated because of space considerations with the Off-Road Design Doubler that was installed at nearly the same time. After double-checking everything, you can start the engine and check for leaks. Then, the payoff test drive. Yeeehaaa!