The ProFlex Direct for GM LT vehicles allows your Gen V LT-equipped GM vehicle to start making more power with E85. System installation is simple and with an easy unlock tune pre-loaded onto our optional ProFlex Flash handheld tuner your vehicle can start running E85 or any blend of E85 and gas. Full, true flex fuel for your GM vehicle!
2014-up Camaro 6.2L (LT1 and LT4)
2014-up Silverado 5.3, 6.2
2014-up Tahoe/Suburban 5.3, 6.2
2014-up GMC Sierra 5.3, 6.2
2014-up GMC Yukon/Denali 5.3, 6.2
Please note: this system requires tuning after installation to turn on factory ECU flex fuel capability. Your vehicle will require a professional tune as we have discontinued the Flash handheld tuner.