The Aeromotive 450 lph Drop-In Stealth in-tank fuel pump for 2008–2020 Subaru WRX/STI is a direct drop-in replacement that includes an Apex Jet Siphon to support factory jet-siphon transfer. Gas and E85 compatible, the single 450 Phantom pump is intended for high-flow applications. Installation notes indicate it requires an EFI bypass regulator, upgraded fuel filter and supply/return lines for proper system operation.

Aeromotive 08-20 Subaru WRX/STi 450lph Drop-In Stealth System