Side feed fuel rails for 2004-2006 STi. Top feed fuel rails for 2007+ STi. These rails are built from 6061-T6 aircraft quality aluminum with bright red anodizing. These rails are a direct bolt-on installation to the stock intake manifold.

– Flow-through design eliminates hydraulic fluctuation.
– Integral, billet mounting brackets included for direct, bolt-on installation.
– -8 AN ORB (O-Ring Boss) ports, complete with OEM adapter fittings, create a positive seal and eliminate the need for thread sealant.
– ORB port adapter fittings available to adapt -8 AN or -6 AN lines, sold separately.
– 5/8″ i.d. through-hole provides flow capabilities to support 1,000 plus HP racing applications.
– Rails only