The Subaru EJ engine defined an era of performance driving. Here's what changed, why Subaru discontinued it, and what's ...

The EJ25 with no fewer than 341 horsepower soldiers on, and it will do so for the foreseeable future. The engine features most of the modifications introduced by Subaru in the WRX STI Diamond ...

When Subaru announced it was bringing an S-series WRX STI to the US for the first time, we wondered what engine would power it. A turbocharged boxer-four, obviously, but the Japan-only S208 used a ...

Prior to assembling the Subaru engine, we sent our JE pistons, rods, crankshaft, and bearings to WPC for treatment prior to assembling the EJ25 engine. What is WPC, you ask?

According to our source, the U.S.-spec 2.5-liter boxer turbo powered WRX, featuring the EJ25 engine, will remain in service until the next-generation WRX Series is introduced after 2021.

The UK-based motorsports technology firm Pro-Drive has built 25 replica World Rally Car Subaru Impreza WRXs. Named the P25, Pro-Drive fully retrofitted Impreza shells with upgraded EJ25 engines, a ...

Why Will the Legendary Subaru EJ25 Be Discontinued? The current EJ25 engine is good for some 305 horsepower in the standard WRX and has been tuned to as much as 341 horsepower and 315 pound-feet ...

The 2022 Subaru WRX STI for the U.S. is expected to downgrade to a 2.4-liter engine, but it'll be more powerful than the outgoing EJ25 ...

Subaru admits that its EJ25 engine utilised in the soon to be release Subaru WRX STI has all but reached its full potential.

When last we left our Project EJ25 build (May '14 issue), we assembled our bottom end using some key components, including Carillo Pro H-Beam connecting rods, J ...