Flex Fuel Kit

Unlock the full potential of your engine with our premium Flex Fuel Kit. Designed for high-performance builds and daily drivers alike, this kit allows seamless transition between E85, ethanol blends, and regular pump gas.

Whether you're tuning a forced induction setup or a naturally aspirated engine, this kit includes everything you need: ethanol content sensor, fuel composition analyzer, and plug-and-play harnesses compatible with most ECUs and standalone engine management systems.

Ideal for LS swaps, Turbo builds, and Flex Fuel tuning, this system gives your engine the adaptability it needs for optimized performance, reliability, and fuel efficiency.

Explore our full range of Flex Fuel Systems, sensors, and components engineered for both street and race applications.

Find the right parts for your vehicle easily by selecting the make, model, and year.

21 products

Flex Fuel Kit

Vendor: COBB

Cobb 17-20 Ford F-150 Ecoboost Raptor CAN Flex Fuel Upgrade Kit

Regular price 4,485.99 SAR Sale price 4,485.99 SAR
Vendor: COBB

Cobb 22-24 Subaru WRX (MT/CVT) & 23-25 Ascent/Outback XT / Legacy XT CAN Fuel Pressure Kit

Regular price 1,239.99 SAR Sale price 1,239.99 SAR
Vendor: COBB

Cobb 23-25 Subaru Ascent/Outback XT & Wilderness/Legacy XT & Sport CAN Flex Fuel Upgrade

Regular price 4,868.99 SAR Sale price 4,868.99 SAR
Vendor: COBB

Cobb 22-24 Subaru WRX CAN Flex Fuel Upgrade (MT/CVT)

Regular price 4,868.99 SAR Sale price 4,868.99 SAR
Vendor: COBB

Cobb 11-14 Subaru WRX NexGen Flex Fuel Ethanol Sensor Kit

Regular price 3,268.99 SAR Sale price 3,268.99 SAR
Vendor: COBB

Cobb VW GTI & Golf R (MK7/7.5) / Jetta (A7) GLI / Audi A3/S3 (8V) Flex Fuel Upgrade Kit

Regular price 1,104.99 SAR Sale price 1,104.99 SAR
Vendor: COBB

Cobb 08-18 Nissan GT-R CAN Gateway Flex Fuel Kit

Regular price 2,682.99 SAR Sale price 2,682.99 SAR
Vendor: COBB

Cobb 15-21 Subaru WRX CAN Fuel Pressure Sensor Kit

Regular price 1,239.99 SAR Sale price 1,239.99 SAR