Flex Fuel Upgrade Kit | Maverick X3

Upgrade your Maverick X3 Turbo RR from X85 big injector tuning to full Flex Fuel capability with EVP’s plug-and-play ECU integration. This system allows the ECU to automatically adjust for ethanol content in real time, delivering maximum power, improved safety, and complete flexibility from pump gas to full E85.

Designed for existing EVP customers, this upgrade eliminates the need to test ethanol content or rely on consistent fuel quality—your tune adapts instantly to whatever fuel is in the tank.

Note: Only for customers who already have EVP X85 Big Injector tuning. CodeShooter device required.

Key Features:

• Automatically adjusts tuning for any ethanol blend (91–E98)
• Delivers 50+ WHP gains over stock on E85
• Eliminates need to test ethanol content at the pump
• Optimizes boost, ignition, and fueling in real time
• Runs safely on pump gas, E85, or any mixture in between
• Converts OEM MPH gauge to display ethanol content on demand
• No wastegate adjustments required after initial setup
• Built-in safety strategies for sensor failure or fuel variation
• Reduces power to safe levels if system fault is detected
• Works seamlessly with EVP X85 big injector tuning

How It Works:

• Uses GM flex fuel sensor and EVP control module
• Continuously reads ethanol content in the fuel system
• ECU automatically adjusts boost, fueling, and ignition
• Adapts instantly when mixing fuels in the tank

Requirements:

• Existing EVP X85 Big Injector Tune
• EVP CodeShooter ECU Flashing Device

Upgrade your Maverick X3 with a flex fuel system that delivers maximum power while adapting automatically to any fuel you run.