The EF12 had multiport fuel injection added in 1990, which allowed the engine to produce 73 horsepower. Subaru made more improvements over time until it was discontinued in 1994. EJ20s are ...

“Europe says you can’t [build an STI], because you have a GPF [gasoline particulate filter] that can literally choke your engine.” That’s why Subaru’s next-generation STI, or something ...