Know your exact ethanol content in real-time via the Fuel-it! or JB4 app on your smartphone or tablet.
Fuel-It! FLEX FUEL KIT for AUDI RS 2.5L GEN 3 (MK3 8V)
Fuel-It! FLEX FUEL KIT for Audi RS 2.5L Gen 2 (MK2 8P)
Fuel-It! FLEX FUEL KIT for VW/AUDI 2.0L TSI
Fuel-It! Bluetooth FLEX FUEL KIT for 2021+ VW MK8
Fuel-It! FLEX FUEL KIT for KIA/GENESIS 3.3L
Fuel-It! FLEX FUEL KIT for AUDI S4
Fuel-It! FLEX FUEL KITS for F Chassis S55 BMW
Fuel-It! FLEX FUEL KIT for INFINITI Q50 AND Q60
Fuel-It! FLEX FUEL KIT for FORD F-150/Raptor 3.5L ECOBOOST
Fuel-It! FLEX FUEL KIT for 2015+ FORD MUSTANG 5.0
Fuel-It! Bluetooth FLEX FUEL KIT for 2021+ Mazda 3 2.5L Turbo
Fuel-It! FLEX FUEL KITS for N18 MINI Cooper
