How much WHP does a Subaru WRX STI have?
When you get behind the wheel of the WRX STI and WRX STI Limited models equipped with the standard 2.5-liter DOHC turbocharged engine, you’ll receive a whopping 310 horsepower.
How much hp can STI handle?
400-450whp
Skim through the Subaru forums and you’ll find the question on so many STI owners’ minds, “how much horsepower can my EJ257 handle?” The answer is different for everyone, but the general consensus is that the 400-450whp range is when you might want to clear out the garage and get ready to pull a motor.
What EJ engine does a 2013 STI have?
In the US, the only car that has an engine designated as an EJ257 is the STI. All of the other 2.5 liter turbo EJ series engines are designated EJ255.
What Turbo does a 2013 STI have?
WRX trims feature a 265-hp turbocharged 2.5-liter horizontally opposed four-cylinder engine paired with a five-speed manual transmission. The STI’s turbocharged 2.5-liter horizontally opposed four-cylinder produces a whopping 305-hp and is paired with a six-speed manual transmission.
How much WHP does a 2015 STI have?
305
At only 305 turbo-laggy horsepower, though, the STI ekes out just 37 more horsepower than the 268-hp WRX.
How much horsepower can the EJ25 handle?
300 whp: The EJ20/EJ25 engines can handle 300 whp maximum with stock internals with no further modifications other than a proper fuel management tune.
What is the difference between EJ25 and EJ257?
Not the same exact shortblock as EJ255. The EJ255 has a different domed piston vs the EJ257. Subaru of America designates the same part numbers for an EJ255 shortblock, and EJ257 shortblock with the exception of the pistons.
Which engine is better EJ or FA?
While the EJ motors remain sensitive to knock conditions and tuners do everything in their power to prevent detonation, the FA motors are even more sensitive and the challenges of direct injection have made avoiding knock much harder.