• Custom Engineered: Get a tailor - made installation solution with this fuel rail kit. • High - Quality Components: Features CNC - Machined Billet Fuel Rails, custom mounting brackets, and all necessary parts in one box. • Wide Compatibility: Fits 2004 - 2006 Subaru 2.0L WRX with a return - style system. Part Number 14135 is for the 2004 - 2006 Subaru 2.0L WRX Fuel Rail System. Each Billet Fuel Rail System includes high - flow, CNC - machined billet fuel rails with custom steel mounting brackets, a billet adjustable regulator or fuel pressure sensor adapter, all necessary ORB - Port fittings with O - rings and billet aluminum AN - hose ends, stainless steel braided fuel lines, and custom OEM fuel supply and return line adapter fittings. For more details on the fuel rails, check the corresponding fuel rail kit for your applications. View Installation Instructions.

This Aeromotive fuel rail kit is designed for Subaru WRX and STi enthusiasts who want to upgrade their vehicle's fuel system. It's perfect for those who like to modify their cars for better performance. Whether you're a professional mechanic or a DIY car enthusiast, this kit is easy to install. It fits 2004 - 2006 Subaru 2.0L WRX models. The kit comes with high - flow fuel rails, adjustable regulators, and all necessary fittings to ensure a complete and reliable installation.