Subaru Tecnica International (STI), a subsidiary of Subaru Corporation has introduced the limited-edition STI S209, the first STI-built model assembled in Japan exclusively for the US market.

Drawing inspiration from the WRX STI Nürburgring Challenge race car which won the SP3T class at the gruelling 2018 24 Hours of Nürburgring race, the STI S209 features an expanded wide body kit that’s 1.7 inches wider than your standard WRX STI.

The flared arches also serve to accommodate the 265/35 width Dunlop SP Sport Maxx GT600A tyres, developed specially for the S209, paired with a set of lightweight 19-inch forged BBS alloy wheels.

Tucked behind those gorgeous wheels are a set of Brembo brakes – consisting of cross-drilled steel rotors clamped on by 6-pot calipers at the front and a twin pot pair at the back. Further inside the wheel wells are a set of specially-developed Bilstein dampers with stiffened coil springs and a 20mm rear stabiliser bar.

In the engine bay rests an extensively reworked EJ25 2.5-litre turbocharged engine with lighter and stronger forged pistons and connecting rods. The Boxer engine, paired to a 6-speed close ratio manual gearbox, is strapped with an STI turbocharger manufactured by legendary tuning house, HKS.

Other mechanical enhancements include a high-flow intake system, an intercooler water spray system, a high-flow fuel pump, larger injectors, a less restrictive performance muffler and an STI-tuned ECU. As a result, the STI S209 is capable of pushing out 341 hp with 1.24 bar of boost.

Also in the engine bay is a flexible front-strut tower bar where unlike a conventional rigid bar, is split and joined with a pillow ball joint in the center to be longitudinally mobile while helping laterally stiffen the body of the car.

Inside the cabin, the S209 pays homage to the Subaru subsidiary with STI badges on the steering wheel, passenger side dash, headrest of its Recaro bucket seats and an S209 serial number badge on the centre console.


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Pan Eu Jin
Regularly spend countless hours online looking at cars and parts I can't afford to buy. How a car makes you feel behind the wheel should be more important than the brand it represents - unless resale value is your thing.