The previous generation Subarus that utilize side feed injectors are limited to specific flow sizes as well as a large expense to completely convert
IAG Side Feed to Top Feed Fuel Rail Conversion Kit For 2004-06 Subaru STI, 05-07 LGT, 04-05 FXT (Black Finish)
The IAG Performance V3 Top Feed Billet Aluminum Fuel Rails with phenolic spacers are designed to increase the power ceiling on your Subaru's fuel
IAG V3 Top Feed Fuel Rails – Subaru WRX, STi, FXT, LGT & OBXT
WRX/STI Fuel System Archives - Kaiju Motorsports
IAG Braided Fuel Line & Fitting Kit For IAG Top Feed Fuel Rails & OEM - New Provisions Racing
IAG - Subaru 08-21 STI - PTFE Flex Fuel System Kit w/ 2600cc Fuel Inje – PREracing
The IAG Performance Fuel Pressure Regulator (FPR) adapter is designed to allow the stock FPR to be remote mounted. This is common when performing
IAG Fuel Pressure Regulator Adapter - 2002-2007 Subaru WRX & 2007 STi
05-09 LEGACY FUEL RAILS/LINES – SUBIE SUPPLY CO.
The IAG Performance V3 Top Feed Billet Aluminum Fuel Rails with phenolic spacers are designed to increase the power ceiling on your EJ engine's fuel system. As horsepower rises past the 350whp mark, the stock rail often does not have the capacity to deliver fuel to the last cylinder effectively*. As a result, that last cylinder can run lean, which can result in catastrophic failure.
IAG V3 Top Feed Fuel Rails with Phenolic Spacers Subaru WRX 2002-2014 / STI 07-21, Red
IAG - Subaru 08-14 WRX - PTFE Fuel Line Kit for use w/ COBB Flex Fuel – PREracing