Subaru’s Australian division has introduced a more hardcore version of the WRX STI dubbed NR4 Spec that’s ready to go racing.
Fully homologated by the FIA, the NR4 Spec was designed exclusively for motorsport events and it is not street-legal. Power comes from a turbocharged 2.0-liter flat-four engine tweaked with input from STI, but Subaru of Australia has not published full technical and performance specifications.
In the United Kingdom, the NR4′s turbo four makes 280 horsepower at 4,250 rpm and 413 lb-ft. of torque at 3,000 rpm. A five-speed dog gear transmission sends power to all four wheels via front and rear limited-slip differentials.
FIA regulations dictate that NR4-spec cars can’t weigh less than 3,071 pounds so the interior hasn’t been completely stripped out. The carpet has been removed and replaced by a set of rubber floor mats, and the STI gains a three-spoke steering wheel, a Sparco bucket seat for the driver as well as carbon fiber trim on the dashboard and on the center console.
The NR4 Spec is billed as a turn-key racer. Buyers only need to choose whether they prefer to have it painted blue or white and they need to install a roll cage, which they can either order directly from Subaru or weld in themselves.
In Australia, the Subaru WRX STI NR4 Spec costs $38,000 (about $28,000) before options are factored in. Buyers looking to hit the track in Subaru’s road rocket should act fast, because only a handful of cars will be sent Down Under.
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