Subaru Tecnica International

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Subaru Tecnica International
Founder(s)Noriyuki Koseki
HeadquartersMitaka, Tokyo, Japan
OwnerFuji Heavy Industries
STI badging on an Impreza WRX STI 2006

Subaru Tecnica International (スバルテクニカインターナショナル株式会社 Subaru Tekunika Intānashonaru Kabushiki-gaisha?), or STi is Fuji Heavy Industries' motorsports division. STi, along with Prodrive of the UK specializes in the preparation of a variety of vehicles for the Subaru World Rally Team which competes in the World Rally Championship (WRC). It was founded in 1988 by Fuji Heavy Industries, the parent company of Subaru, to promote the company's performance-oriented identity.

The Subaru Impreza WRX also comes in a high performance STI edition (formerly designated "STi" before the 2006 model year), designed by STi. It offers many advantages over the WRX, such as a six-speed manual transmission with a helical (Suretrac in '04 models) limited slip front differential, driver controlled center differential(DCCD), IHI VF39 turbocharger (VF43 until 2007, VF48 from 2008 on), BBS lightweight alloy wheels, a mechanical rear limited slip differential and Brembo brakes. The 2.5 liter engine (designated EJ257) 300 hp with 300 ft·lbf (410 N·m) of torque (USDM spec). The WRX STi has Recaro style bucket seats and a MOMO steering wheel. STi also designs upgraded parts, mostly suspension related, for use on other Subaru vehicles. STi versions of the Impreza, Forester and the Legacy have been marketed as limited edition vehicles in certain markets. The WRX STi was the first and only STi vehicle made available to North American consumers to date.

STi also provides parts for racing and street applications in Japan. In the US, STi parts are distributed and sold by SPT (Subaru Performance Tuning) although increasingly they are being made available under the STi name.

Traditionally "Cherry Blossom Red", as it's called in the US or "Rubine Red" as it's known in Australia (both of which are actually rather pink) is used as STi's signature color.

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