The patented ProFlex™ Commander adaptive flex fuel system for your 2003-06 Pontiac GTO allows you to start making more power and running cooler with E85. True plug and play flex-fuel for your GTO in about an hour with no tuning required.

ProFlex Commander Features:

• Complete system - everything you need to run E85
• 100% Dyno tested for safety, durability and power gains
• Easy DIY installation - Under an hour with common tools 
• Patented BlendSense™ technology adjusts in real time with 30 millisecond refresh rate
• True flex fuel - switch from gas to ethanol and back anytime
• Improved injector management for more power on gas or E85
• 7-10% More wheel HP and torque on E85 (dyno proven)
• No tuning required - Compatible with stock or performance gas tunes; instantly adapts to new tunes
• Cleaner emissions and cooler cylinder, oil and coolant temps
• Race grade fuel at the pump - high octane, low cost
• Compatible with power adders and bolt-ons
• ProFlex Connect app provides accurate, real-time ethanol content on your iPhone or Android device via BT Wireless communication
• Cold Start Plus™ - improves fuel atomization for easier starting in cold weather

This System Fits: 2003-06 Pontiac GTO with LS1 or LS2

Choose Commander Pro (option below)

Choose the ProFlex Commander Pro for your vehicle if you have aftermarket forced induction or aftermarket 600cc/60lb/hr or larger injectors.  If you plan to make these upgrades later order the PRO.  It will work fine with your existing set-up and will automatically adapt when you install your upgrades.

The Commander PRO was specifically designed for improved injector function in forced induction and large injector environments.  

The ProFlex Commander product line is backed by a limited 12 month warranty. Learn more.