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Subaru confirms 2015 WRX STI to grace Detroit show stand

Now that we've seen and driven the 2015 Subaru WRX, it's time to set our sights on the car's more powerful and traditionally massively winged counterpart: the STI. And while a few rumors about the new STI have already leaked, Subaru today confirmed that we'll be seeing the hotter 'Rex at the Detroit Auto Show later this month. Hot diggity.
Last we heard, the new STI will still use a turbocharged, 2.5-liter boxer-four (remember, the standard WRX uses a version of the 2.0-liter engine found in the Forester) producing something like 300 horsepower and 290 pound-feet of torque. What's more, don't expect the STI to hatch a five-door variant - Subaru recently told us that there are no plans to offer anything beyond a sedan bodystyle for both versions of the WRX. Sad trombone, we know.
That said, if our time with the 2015 WRX sedan is anything to go by, this new STI should be pretty rad. The new WRX is significantly sharper than the outgoing model (in terms of driving dynamics, anyway - it's still a pretty ugly little thing), and we fully expect the STI to be a bulgier, harsher, more powerful and aggressive version of the already awesome street-legal rally car. We're just hoping it will be offered with WRC-correct gold wheels, too.

Japan is the only country to get this WRX S4 tS

Before the Impreza switches to a new platform, Subaru is wringing more limited editions out of the old one. The most recent, the Subaru WRX S4 tS, is a Japan-only special that is based off of the WRX S4 model released a few years ago. Underneath the hood, the WRX S4 tS gets the same modified 2.0-liter turbocharged flat-four from the WRX S4 that generates 296 horsepower and 295 pound-feet of torque. The modified engine produces 28 horsepower and 37 pound-feet of torque more than the standard WRX, and is only five horsepower off the turbocharged 2.5-liter Boxer engine in the WRX STI, while making more torque. The handling has been improved thanks to a similar setup to the one on the WRX STI S207, another Japan-only model released last year, that features adjustable DampMatic II front suspension from Bilstein, along with other goodies. The exterior gets 19-inch BBS forged aluminum wheels, red pinstripes on the front grille and rear bumper, and a large front spoiler. On the inside, the WRX S4 tS benefits from Recaro bucket seats and a luminescent speedometer. The sedan is also equipped with Subaru's advanced safety features in the form of EyeSight. Japanese enthusiasts can also choose a more hardcore option with the NBR Challenge Package that commemorates the automaker's victories in the SP3T class of the Nurbrugring 24 Hours in 2015 and 2016. The sportier model gets 19-inch wheels from BBS, a carbon-fiber rear wing, special badging, and a suede-lined steering wheel on the inside. We reached out to Subaru to see if the vehicle would be sold in the US, but the spokesperson refused to comment. With the WRX S4 and the S207 being Japan-only models, we doubt the new limited edition WRX S4 tS would be offered outside of Japan. Related Video:

Subaru Viziv Performance STI Concept has us dreaming of a future WRX STI

Subaru has revealed the Viziv Performance STI Concept at the Tokyo Auto Salon, and it's pretty much what you would expect. It's very closely related to the Viziv Performance Concept from the Tokyo Auto Show last year, but it's been given a bevy of flashy STI parts to make it aggressive. Up front, a deep lip spoiler complements a redesigned front bumper that does away with the two outboard air intakes and opens up the center one. According to a Subaru designer, it improves the cooling and aerodynamics. Having the blocked-off intakes on each side with STI logos is also a nice throwback to old Impreza STI models that often had blank panels with the logo over the foglight openings. Around the side are side skirts, and at the back are small extensions to the same diffuser from the earlier Viziv concept. And of course, there's a massive wing at the back. What's interesting is how much of the normal Viziv remains under the STI logos, decals and wings. The fenders look nearly untouched, and the hood scoop is the same size and shape as the standard concept. Even the exhaust, taillights and headlights are all the same. Then again, between the production WRX and WRX STI, the only real visible differences are the rear wing, wheels and front spoiler. And, if the Viziv Performance concepts preview future WRX and STI models, following that model makes sense. Of course the big differences between WRX and STI models are under the skin. Unfortunately, Subaru doesn't reveal a thing about what hypothetical powertrain is under this STI. Maybe we shouldn't be so surprised though, since the company didn't say anything about the regular one either. Only the use of a flat-four and all-wheel drive are certain. For that matter, even the styling isn't truly certain. While we can hope that the next WRX and WRX STI have the muscular look of these concepts, we have reason to be skeptical. But instead of getting cynical and sad, let's just enjoy this for what it is: a cool STI concept. Related Video: