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Description
Cobb 08-21 Subaru STI (Incl. 2018 Type RA) NexGen Flex Fuel Ethanol Sensor KitThe COBB Flex Fuel Kit is designed specifically for Subaru STI models from 2008 to 2021, including the 2018 Type RA variant. This NexGen Flex Fuel Ethanol Sensor Kit enables precise ethanol content readings, allowing your vehicle to optimize its fuel delivery for E85 or pump gas automatically. This ensures maximum performance and efficiency regardless of your fuel choice. Engineered by COBB, a trusted name in automotive performance parts, this kit
The COBB Flex Fuel Kit is designed specifically for Subaru STI models from 2008 to 2021, including the 2018 Type RA variant. This NexGen Flex Fuel Ethanol Sensor Kit enables precise ethanol content readings, allowing your vehicle to optimize its fuel delivery for E85 or pump gas automatically. This ensures maximum performance and efficiency regardless of your fuel choice.Engineered by COBB, a trusted name in automotive performance parts, this kit guarantees seamless integration with your STI's existing systems. The sensor accurately monitors fuel composition in real time, helping to adjust the air/fuel mixture for better power output and engine safety. Whether you are racing, tuning, or simply want to run flex fuel, this sensor kit is an essential upgrade for your fuel delivery system.
Easy to install and compatible with factory ECU tuning, the COBB Flex Fuel Kit also delivers reliable data for tuning adjustments and helps protect your engine by preventing lean conditions. Experience improved throttle response and increased power potential with the COBB 325650 Flex Fuel Ethanol Sensor Kit, the ultimate solution for Subaru STI enthusiasts aiming to maximize their vehicle's fuel flexibility and performance.
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- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.3 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Que mi bebé se sienta comoda
Size: Size 6, Unit Count: 104
It is a good product. I recommend it; my daughter feels very comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Good product overall
Size: 60 Count (Pack of 1)
Works really well, but only for a while. After about 3 or 4 weeks, it begins to stop working. Side effects-can leave you groggy if you don't get enough sleep. Helps you sleep better for a month or so. No odor. Good value for money, they don't cost a lot. Just melatonin and veggie caps. No other ingredients as far as I read
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 5
Works well I will continue buying them
Size: 60 Count (Pack of 1)
This melatonin gives me a good nights sleep. I thought it was 3 mg but it is not, my mistake! I take two of these because 3 mg doesn't do it for me. I sleep like a baby when I take these and wake up feeling rested.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 4, 2026
★★★★★ 5
Incredibly Helpful for Sleep & Not Hard to Swallow w/Water or w/o
Size: 60 Count (Pack of 1)
I shouldn't be taking these due to certain medical conditions, but they taste like nothing, super effective - like I fall asleep within maybe 30-45 minutes - and I STAY asleep watch is a lot more than I can say for any other melatonin products that I've used. Again, I do have restrictions, so I only take them once in a while, but so does my roommate and he says the same. They're small enough to not be hard to swallow as well. I've recommended them to some of my friends and family and we're all in agreement. I mean, of course, consult your doctor first, but like, these have been one of the most helpful supplements for sleep which is super important to me
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Reviewed in the United States on December 20, 2025
★★★★★ 5
A full nights sleep
Size: 60 Count (Pack of 1)
This product helps keep me asleep throughout the whole night, not just in the beginning.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
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