Aeromotive Side Feed High Flow Billet Fuel Rail Kit 04-06 STi/05-06 Legacy GT / Outback XT 05-06

Part #: 14137. This fuel rail system offers a custom - engineered installation solution. It comes in one box with all the needed parts. The system features CNC - machined billet fuel rails and custom mounting brackets. Key features include: it fits 2004 - 2006 Subaru 2.5L STi with a return - style system; 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 as required.

Using this fuel rail kit is straightforward. First, make sure your vehicle is a 2004 - 2006 Subaru 2.5L STi. Then, unpack all the components from the box. Install the high - flow billet fuel rails using the custom steel mounting brackets. Attach the billet adjustable regulator or fuel pressure sensor adapter. Connect the stainless steel braided fuel lines using the ORB - Port fittings and billet aluminum AN - hose ends. Don't forget to use the custom OEM fuel supply and return line adapter fittings. As for maintenance, regularly check the fuel lines for any signs of wear or leakage. Keep the billet parts clean to prevent corrosion. When handling the O - rings, be gentle to avoid damage. If you notice any issues with fuel pressure or flow, check the regulator or sensor adapter.