Collection: Flex Fuel
Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet. Made in the USA.
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FORD F-150/Raptor Bluetooth Flex Fuel Kit for the 3.5L EcoBoost
Regular price $419.95 USDRegular priceUnit price / per$499.95 USDSale price $419.95 USDSale -
Ford Mustang 5.0 Bluetooth Flex Fuel Kits for 2015+
Regular price From $349.95 USDRegular priceUnit price / per -
Infiniti Q50 & Q60 Hi-Flow Bluetooth Flex Fuel Kits
Regular price From $199.95 USDRegular priceUnit price / per -
KIA & GENESIS Hi-Flow Bluetooth Flex Fuel Kit for the 3.3L Motors
Regular price From $199.95 USDRegular priceUnit price / per -
KIA and Hyundai Bluetooth Flex Fuel Kit for the 1.6L Turbo Smartstream Motors
Regular price $479.95 USDRegular priceUnit price / per -
Mazda 3 Bluetooth Flex Fuel Kit for the 2021+ 2.5L Turbo
Regular price From $199.95 USDRegular priceUnit price / per -
MINI Cooper Bluetooth Flex Fuel Kits for the N18 motor
Regular price From $349.95 USDRegular priceUnit price / per -
Nissan GTR Bluetooth Flex Fuel Analyzer
Regular price $249.00 USDRegular priceUnit price / per -
Subaru WRX Bluetooth Flex Fuel Kit for the 2022+
Regular price $439.95 USDRegular priceUnit price / per$479.95 USDSale price $439.95 USDSale -
Toyota Supra Bluetooth Flex Fuel Kit for the MKV B48/B58
Regular price From $199.95 USDRegular priceUnit price / per -
Toyota Tundra, Land Cruiser, & Sequoia Bluetooth Flex Fuel Kit for the 2022+ 3.4L
Regular price $479.95 USDRegular priceUnit price / per -
VW MK8 Bluetooth Flex Fuel Kit
Regular price $479.95 USDRegular priceUnit price / per -
VW/AUDI Bluetooth Flex Fuel Kit for the 2.0L TSI
Regular price From $34.95 USDRegular priceUnit price / per -
Fuel-It! Glass Ethanol Content Tester
Regular price From $14.99 USDRegular priceUnit price / per -
Fuel-It! Bluetooth Flex-Fuel Analyzer
Regular price From $209.95 USDRegular priceUnit price / per -
Fuel-It! Universal Bluetooth Flex-Fuel Kit
Regular price From $319.95 USDRegular priceUnit price / per -
Fuel-It! Universal Bluetooth DIY FLEX FUEL Kit for 5/16" Fuel Lines
Regular price From $319.95 USDRegular priceUnit price / per -
BMS Universal CANflex CANbus E85 Analyzer (ECA) BETA
Regular price From $39.95 USDRegular priceUnit price / per$199.00 USDSale price From $39.95 USDSale -
Fuel-It! CamLock Fittings and Parts
Regular price From $10.00 USDRegular priceUnit price / per -
Fuel-It! Bluetooth Flex Fuel Analyzers and harnesses for GM, AC Delco, and Continental Ethanol Sensors
Regular price From $34.95 USDRegular priceUnit price / per -
Flex Fuel / Ethanol Content Sensors
Regular price $119.95 USDRegular priceUnit price / per -
Crimp Tool
Regular price $5.00 USDRegular priceUnit price / per -
Fuel-It! BMW E-Chassis Fuel Line and Ethanol Sensor Upgrades
Regular price From $125.95 USDRegular priceUnit price / per -
Dragy V2 (DRG70) GPS Based Performance Meter & Lap Timer
Regular price $159.00 USDRegular priceUnit price / per