Lethal Performance 2011-2017 Mustang GT Level 1 Return Style Fuel System Year:2015-2017 Requires 900 RPM minimum idle

Requires 900 RPM minimum idle speed on stock cam shaft engines

As pulley size goes down

56lb/hr fuel injectors

the motorsport tuner

Dual pump systems

Lethal Performance 2011-2017 Mustang GT Level 1 Return Style Fuel System Year:2015-2017 Requires 900 RPM minimum idleAre you running out of fuel with your current combo or simply looking to support more power or different fuel types without breaking the bank? We've got the solution for you. The all new Level 1 Return style fuel system for your 2011 2017 Ford Mustang GT is exactly what you need. Not only does this kit have the ability to work with your stock fuel rails but has the ability to be upgraded later on. So if you're looking to add an additional pump or some