Great news – on this purchase, you'll enjoy a BuildBUX bonus of $0.50.
Need a replacement or standalone harness for your IBR Flex Fuel setup? This IBR Flex Fuel Sensor Kit – Harness Only is designed specifically for use with 2008–2021 Subaru WRX and STI models. Whether you're replacing a damaged harness or piecing together your own flex fuel system, this high-quality harness ensures clean, reliable connectivity between your ethanol content sensor and engine management system.
Built with OEM-grade materials and connectors, this plug-and-play harness is engineered for durability and ease of installation. It supports accurate E85/ethanol content readings, allowing your tuning system to adjust fuel delivery and ignition timing accordingly.
Please note: This listing is for the harness only and does not include the flex fuel sensor or fittings.
Features:
Designed for use with IBR Flex Fuel Sensor kits
High-quality OEM-style connectors and sheathing
Plug-and-play installation
Reliable signal transmission for accurate ethanol content readings
Ideal for replacements, custom setups, or spares
More Cashback
Get more cashback! Items are changing weekly. Anywhere from 1% to 20% Back in BuildBUX when you make purchases. Products
Free Money
Every month when you are charged your $4.98 subscription fee, you will get $15 in BuildBUX
Easy To Cancel
Cancel anytime, month to month terms.
Cashback
Get 1% back on every purchase on eligible brands.
Free
Completely free to use. Just place an order!
