Respiro Rosela. Subaru’s EJ257 was a turbocharged 25litre horizontallyopposed (or ‘boxer’) fourcylinder engine For Australia the EJ257 engine was introduced in the Subaru GD Impreza WRX STi in 2005 and subsequently powered the GE/GH Impreza WRX STi and V1 WRXEffectively replacing the 20litre EJ207 engine the EJ257 engine was a member of Subaru’s Phase II EJ engine family key.
Subaru’s EJ20G was a turbocharged 20litre horizontallyopposed (or ‘boxer’) fourcylinder petrol engine For Australia the EJ20G engine powered the GC/GM Impreza WRX from 1994 to 1996 key features of the EJ20G engine included its Diecast aluminium block and cylinder head.