These pre-fabricated hard-lines are designed to work with Nitrous Outlet bottom exit solenoids and vehicle specific solenoid brackets creating the cleanest looking installation possible. These hard lines are specifically made to fit the 2011-17 Mustang GT, 2012-13 Mustang Boss 302, and 2011-17 Ford F-150 5.0L Coyote with a Nitrous Outlet plate system and Nitrous Outlet's Vehicle specific solenoid bracket.
