What a Slammed Does to the Subaru WRX STI
Slamming an STI is a deliberate act of heresy, and the scene knows it. This is a homologated rally car — a turbocharged boxer with symmetrical all-wheel drive, built by Subaru to fly over gravel with as much suspension travel as the rules allowed. Dropping it to the floor takes the most function-first Japanese performance car of its era and turns it into a form-first one. The look works because the ingredients are so aggressive already: the bonnet scoop, the flared arches, and on the sedans that enormous rear wing, all sitting on the deck with the wheels tucked into the arches. A slammed STI is the car with its rally purpose deliberately overruled — and it is one of the most divisive, most photographed builds in the Subaru world for exactly that reason.
What a WRX STI Slammed Actually Costs
The parts market here is deep, because the STI is a mainstream tuning platform. Coilovers dominate the static route — BC Racing, Tein, Fortune Auto and Öhlins all cover the chassis, roughly $900–$2,500 depending on how serious you go — and air ride is well supported too (Air Lift Performance builds WRX/STI kits), typically $2,500–$4,000 with management, which is what makes a genuinely slammed STI survive real roads. Wheels are the other half: the modern STI runs a 5x114.3 bolt pattern (note that older Imprezas used 5x100, so check your chassis before buying), and slammed builds go wide with an aggressive offset, a stretched tyre and camber arms to tuck cleanly under the arches. Budget $1,500–$4,000 static, or $3,500–$6,500 bagged. Do go in knowing the trade: you are removing the suspension travel the car was engineered around, and a slammed STI is a worse rally car — which, on a car built for gravel, is the entire joke.
Preview your WRX STI before the build starts
On an STI the arches are already flared, so offset and ride height decide whether the wheels sit purposefully flush or sink awkwardly inside the bodywork. Render your actual car on the drop and fitment you are considering before the coilovers or bags arrive. TunedRides does it in about 30 seconds.
Upload your WRX STI photo, free →See Your WRX STI With a Slammed in 30 Seconds
- 1Upload a photo of your WRX STI. Upload any decent photo; a three-quarter or side view suits stance and aero changes best. JPG or PNG, up to 10MB.
- 2Select Slammed as your style. The AI works from your WRX STI's own proportions, applying the style to your real bodywork rather than a placeholder model.
- 3Download your render. About half a minute later it's ready. Free renders carry a watermark; Pro ($14/mo or $69/yr) delivers 250 clean HD renders a month, great to hand an installer.