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GenX Performance offer a great selection on Fuel pumps for your Subaru STI from AEM, DeatschWerks, Grams and much more.
Walbro 255lph High Pressure Fuel Pump GSS342
The Walbro in tank fuel pump is an essential upgrade for forced induction applications. This 255lph high pressure model has seen over 500whp in some applications!
Walbro Universal 450lph In-Tank Fuel Pump E85 Version
Outperforms all current market in-tank fuel pumpsDesigned for engines with more than 750 HP Award-winning OE technology High-pressure, high-flow performance OEM technology...