How much HP can a stock STI turbo handle?

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 size turbo is on a stock STI?

The WRX STI’s turbocharged 2.5-liter flat-four is eager to rev and pumps out a characteristic flat-four burble from the car’s quad exhaust pipes.

What Turbo does the STI use?

SUBARU BOXER®
The Subaru WRX STI benefits from a turbocharged 2.5L 4-cylinder SUBARU BOXER®, which creates raw power fused with complete poise, on the road and on the track.

How fast is a 400HP STI?

It’s running an Outback 2.5-liter boxer powerplant? This Subaru WRX STI runs a quick 10.99 elapsed time at the drag strip and it doesn’t even have an STI engine.

How much HP can a stock 2004 STI handle?

It will handle near 400-450 HP crank like sphinx said.

How much HP can a stock EJ25 block 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.

How much HP does Turbo add?

Supercharger or turbocharger A turbocharger works with the exhaust system and can potentially give you gains of 70-150 horsepower. A supercharger is connected directly to the engine intake and could provide an extra 50-100 horsepower.

Is WRX a stock Turbo?

Turbocharger FOR Subaru WRX – CHOOSE YOUR YEAR Contrary to popular belief, Subaru does not make their own Turbocharger. Subaru then installs these Turbochargers in your WRX at the factory assembly line.

How much horsepower can a stock ej257 handle?

They will hold up to 400 whp (again as shown in our PPIHC car), but if you want to push up to or beyond that power level, a set of aftermarket H-Beam rods would be recommended.

How much horsepower should the BRZ STI have?

You can imagine that with that hood scoop in place, the BRZ STI would have turbochargers thrown into the mix, complementing the 2.4-liter boxer engine to deliver a lot more power than the 228 -horsepower output of the naturally aspirated unit that you can find in the second-generation BRZ.

What is a STI in a car?

STi actually stands for Subaru Technica International. Subaru Technica International is Subaru’s Motorsport division – similar to BMW’s M division, Mercedes’ AMG, or Nissan’s NISMO. It was founded in 1988 by Fuji Heavy Industries (now Subaru Corporation) which is the parent company of Subaru.

What is a WRX STI?

The Subaru WRX STI is a high-performance variant of the Impreza compact car. Over the years, its been offered in three different body styles, including a four-door sedan, a five-door hatchback, and for a brief period, a two-door coupe.

Is the Subaru WRX STI limited?

The 2017 Subaru WRX is only available as a sedan. There are a total of five trim levels when you split up the standard WRX and the more powerful WRX STI. The standard WRX can be had in base, Premium and Limited trims; the WRX STI comes only in base and Limited trim levels.