Aeromotive High Flow, Billet Fuel Rails combine 3,000 HP flow capabilities with bolt-on ease of installation. - Fits 2004-2006 Subaru 2.0L WRX - Rails Only - Top Feed - ORB-08 Ports with compact connections and positive, leak-free sealing. - Full 5/8 ID through bore, capable of supporting up to 3,000 HP. - Fully compatible with -10 AN line if combined with custom ORB-08/AN-10 adapter P/N 15641. - Full size ports at each end for optimal injector supply and minimal hydraulic fluctuation. - Additional inlet/outlet ports are provided where required for plumbing convenience. - CNC-machined, billet aluminum construction for unequaled fit and finish. - Steel mounting brackets, custom engineered for each application, combining a solid, durable mounting platform with correct fit and bolt-on ease of nstallation. - Red, Type II bright dip anodized finish that looks great and protects against corrosion.