Stance on a Subaru WRX STI: What Changes
The STI arrives from the factory with something most stance platforms have to buy: real arches. Subaru flared them to cover a rally-bred track, and that changes the whole exercise. On most cars a stance build fights to fill an arch that was never meant to be filled; on an STI the bodywork is already reaching outward, and the job is to get the wheel out to meet it. That is why a well-fitted STI looks so complete and a badly fitted one looks so wrong — the flare is a promise the wheels either keep or break. Get it right and the car reads exactly as it should: wide, planted, sitting in its own bodywork rather than inside it, with the bonnet scoop and the wing doing the rest.
Budgeting a WRX STI Stance Build
The critical number is the bolt pattern, and it is the one that catches people out: the modern STI runs 5x114.3, but earlier Imprezas used 5x100, and the two are not interchangeable — confirm which chassis you have before you spend a penny on wheels, because it is the most common expensive mistake in the whole Subaru fitment world. Beyond that, the wheel market on 5x114.3 is vast. Because the arches are already flared, STI stance builds tend to run wide wheels with an offset chosen to bring the face out level with the flare, rather than the extreme low-offset poke that a narrow-bodied car would need; overshoot and the wheel sticks proud of the arch, which reads as a mistake rather than as aggression. Adjustable camber arms let a wide wheel clear at a lower ride height, and a fender roll helps at the rear. The suspension side is well covered — coilovers from BC Racing, Tein, Fortune Auto and Öhlins — but on this car the arch, not the ride height, is what decides whether the fitment is right.
Preview your WRX STI before the build starts
On a car with factory flares, the correct offset is a narrow window: too conservative and the wheel hides inside the arch, too aggressive and it pokes past it. Rendering your actual STI on the wheel you are considering is how you find that window without paying for a set you cannot return. TunedRides does it in about 30 seconds.
Upload your WRX STI photo, free →See Your WRX STI With a Stance in 30 Seconds
- 1Upload a photo of your WRX STI. Almost any clear angle works, with side profile the strongest for stance and aero changes. JPG or PNG, up to 10MB.
- 2Select Stance as your style. Our model studies your WRX STI's proportions and applies the change to your actual bodywork, not a generic template.
- 3Download your render. Roughly 30 seconds to render. The free tier watermarks output; Pro ($14/mo or $69/yr) removes it and adds 250 HD renders a month for builders and shops.