Aeromotive’s Dual 340lph Drop-In Stealth System for 2008-2021 Subaru WRX/STi delivers precision fuel flow with aerospace-grade engineering. This direct drop-in pump includes the Apex Jet Siphon for seamless factory jet-siphon support. Designed for high-performance applications, it requires an EFI bypass regulator, upgraded fuel filter, and enhanced supply and return lines. Compatible with gasoline and E85, it ensures reliable, efficient fuel delivery under demanding conditions. Ideal for enthusiasts seeking track-proven performance and durability.