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Following a design study model earlier in the year, Toyota's internal tuning arm, TRD, released a set of styles for the GR Supra.
The kit includes six pieces that you can buy individually if necessary. There are five other body parts, each made of carbon fiber reinforced plastic (CFRP), and a new smart set of 19-inch forged aluminum wheels.
Developed in a wind tunnel, the kit is more than just a shaping exercise. TRD says it actually improves the airflow around the car, while improving overall support levels.
This starts right at the front, with a new front splitter. This three-piece article lowers the front of the car by about half an inch, with the fins on each side contributing to a reduction in lift at the front.
Naturally, TRD associates this with a new rear wing. This raises the rear ducktail tail, but also extends to the flat areas above the taillights of the car. TRD does not give precise figures on how this affects the supports, but he notes that this helps to balance the aerodynamic characteristics.
We are a little less convinced by some of the other elements. The carbon fiber side skirts give the car a slightly lower appearance – about a sixth of an inch lower – and TRD claims that they reinforce the "grinding effect". This basically means that they smooth the flow of air down, from the turbulence that falls back on the front wheels. The rear spoiler does the same job, but behind the rear wheels.
However, it is the door trims that seem to come off like a sore thumb. On the standard Supra GR, there are covers on the rear side slots – they are discovered in motorsports applications. These TRD articles replace standard parts, but seem to occupy about 20% of the door. Apparently, they smooth the airflow to the back, but we move it away, especially since it is the most expensive trim on the set.
The wheels are pretty smart. These are 19-inch forged aluminum pieces, measuring nine inches wide at the front and ten inches at the back. TRD says that they also improve steering response and stability in a straight line. One thing to note though is that if you have the four-cylinder model – the SZ in Japan – these wheels are not available.
For now, TRD adjustment parts are only available in Japan. If you want to try to import it, the whole kit will cost you two million yen, or about $ 18,500.
As for any change in the power of the car … well, we will have to wait for the GRMN model that is circulating.
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