The Subaru WRX STI Widebody Kit, Explained
Widebody Subarus have a birth certificate, and Subaru wrote it. In 1998 the factory built the 22B STI — a hand-finished, wide-arched coupe celebrating the marque's third consecutive World Rally Championship, its fenders pumped outward over a wider track by Subaru's own engineers. Only 400 were made for Japan, they sold out almost instantly, and the 22B has since become arguably the most coveted Subaru ever built, trading at collector-car money. That car is why a widebody WRX or STI never reads as a trend chase: the look descends from the factory's own rally-bred flagship. A modern widebody STI build is, consciously or not, a 22B homage — arches out, track visually widened, the boxer burble underneath — and the scene treats the recipe with a reverence most platforms never earn.
Budgeting a WRX STI Widebody Kit Build
The modern parts landscape gives the homage real hardware. At the serious end sits Varis, the Japanese aero house whose wide-arch kits for the WRX and STI are staples of time-attack paddocks — genuine motorsport-derived bodywork, priced accordingly at the upper end of FRP and carbon money. Below that, bolt-on overfender kits and pumped-arch conversions cover the popular generations at the familiar $1,500–$4,000 band, with $2,000–$4,000 of paint and blending on top; the STI's coloured-flare-friendly body lines make the blend work less painful than on curvier cars. The platform brings genuine advantages to a wide build: symmetrical all-wheel drive puts power through all four of the wider contact patches, and the car's rally geometry tolerates track-width changes gracefully. One planning note — the bugeye-to-modern generations differ in arch construction and bolt pattern history, so kits are strictly generation-specific; buy for your exact chassis code. All in, a finished widebody WRX/STI lands around $5,000–$11,000 — and the best ones keep one eye on Prodrive blue and gold.
Try it on your WRX STI before you spend
A widebody Subaru carries the 22B's shadow whether it wants to or not — the build reads as homage done right or homage done cheap, and the arch proportions decide which. Render your actual WRX or STI wide before any bodywork is ordered. TunedRides does it in about 30 seconds.
Upload your WRX STI photo, free →See Your WRX STI With a Widebody Kit in 30 Seconds
- 1Upload a photo of your WRX STI. One good frame is enough; a side or three-quarter view suits bodywork modifications like widebody kits. JPG or PNG, up to 10MB.
- 2Select Widebody Kit as your style. Our AI reads your WRX STI's body lines and proportions, then applies the transformation accurately. Not a generic edit, a render that respects your specific car.
- 3Download your render. Ready in about 30 seconds. Free renders are watermarked; Pro ($14/mo or $69/yr) gives 250 HD watermark-free renders a month for shops and builders.