Know your exact ethanol content in real-time via the Fuel-It or JB4 app on your smartphone or tablet.
KIA & GENESIS Hi-Flow Bluetooth Flex Fuel Kit for the 3.3L Motors
KIA & Hyundai Bluetooth Flex Fuel Kit for 1.6L Turbo Motors
Mazda 3 Bluetooth Flex Fuel Kit for the 2021+ 2.5L Turbo
Mercedes Flex Fuel Kit for the Gen 4 C43 AMG
MINI Cooper Bluetooth Flex Fuel Kits for the N18 motor
Nissan GTR Bluetooth Flex Fuel Analyzer
Porsche 718 Bluetooth FLEX FUEL KIT for all 982 Cayman, Boxster, & Spyder Models
Porsche 911 Bluetooth FLEX FUEL KIT for the 991.1 and 991.2
Subaru WRX Bluetooth Flex Fuel Kit for the 2022+
Toyota Supra Bluetooth Flex Fuel Kit for the MKV B48/B58
Toyota Tundra, Land Cruiser, & Sequoia Bluetooth Flex Fuel Kit for 2022+ 3.4L
VW MK8 Bluetooth Flex Fuel Kit
VW/AUDI Bluetooth Flex Fuel Kit for the 2.0L TSI
Fuel-It! Glass Ethanol Content Tester
Fuel-It! Bluetooth Flex-Fuel Analyzer
Fuel-It! Bluetooth Flex Fuel Analyzers and harnesses for GM, AC Delco, and Continental Ethanol Sensors
Fuel-It! Universal Bluetooth Flex-Fuel Kit
Fuel-It! Universal Bluetooth DIY FLEX FUEL Kit for 5/16" Fuel Lines
Fuel-It! CamLock Fittings and Parts