KIT IS MISSING FLEX FUEL SENSOR which is $61 and Fuel LINE. $600 IS THE PRICE!!! I PAID $900 for the whole kit. BEST DEAL YOU ARE GONNA GET IF YOU WANT TO RUN E85 in your Hemi powered vehicle! Everything works perfectly. The patented ProFlex™ Commander adaptive flex fuel system for 2012-2023 Dodge Charger and Challenger with 6.4 Hemi allows you to start making more power and running cooler with E85. True plug and play flex-fuel for your 6.4L HEMI in about an hour with no tuning required. Expect 30-35WHP gains on E85. 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 Solves fuel management latency issues that plague stock PCMs This System Fits: 2012-2023 Dodge Scat Pack, SRT392, Daytona and 1320 R/T Challenger and Charger, all other 6.4L Challenger and Charger sub-models.