Upgrade your 2004-2006 Subaru WRX STI’s fuel system with the Aeromotive Side Feed Fuel Rail System, engineered to deliver consistent fuel flow at high horsepower levels. This premium return-style fuel rail kit replaces the OEM fuel system (excluding fuel filters) to enhance engine performance and reliability during demanding driving or tuning sessions.

The kit includes high-flow billet fuel rails, an adjustable fuel pressure regulator, a fuel pressure gauge, stainless steel braided fuel lines, AN fittings, and fuel supply adapters—all crafted for durability and precise fuel management. Each component is designed to withstand aggressive driving conditions and support increased fueling needs, making it ideal for enthusiasts pushing their STI’s power limits.

Perfect for Subaru WRX STI owners seeking a complete, high-quality fuel system upgrade, this Aeromotive kit ensures optimal fuel delivery and engine stability. Trust Subimods for specialized Subaru performance parts and elevate your WRX STI’s fueling system with confidence and ease. Shop now to experience improved power and reliability.