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The Torque Solution top-feed PTFE flex-fuel add-on kit adapts top-feed fuel systems for Subaru WRX STI (2008–2021) and WRX (2008–2014) applications. Provided as a kit to integrate with existing fuel rails, it uses PTFE-lined components to support flex-fuel operation and aftermarket fueling needs while keeping installation compact and vehicle-specific.
Torque Solution PTFE Flex Fuel Add-On Kit - Subaru WRX STI 08-21 / WRX 08-14
