About This Subaru WRX STI Base 2020 Build
We love featuring real builds from real owners. This Subaru WRX STI Base 2020 sits on a set of 18×9.5 / 18×9.5-inch Volk TE37 Saga S-Plus wheels, and the result speaks for itself.
The owner chose Volk for a reason. This brand delivers serious quality and a design language that turns heads at every car meet. We see hundreds of Subaru WRX STI Base builds come through WheelFront every month, but this one stands out. The combination of the exterior with the Volk TE37 Saga S-Plus creates a look that balances aggression with elegance.

Fitment Breakdown: Volk TE37 Saga S-Plus on the Subaru WRX STI Base 2020
I walked around this STI at the meet and the fitment is spot on. We are looking at an 18x9.5 setup wrapped in a perfect square configuration. This width fills out the VA chassis arches without looking like a monster truck.
The +38 offset is the golden ticket for this specific Subaru platform. It pushes the wheels right to the edge of the fender line. You get that aggressive, flush look without needing a sledgehammer for the bodywork.
These Volk TE37 Saga S-Plus wheels clear the massive Brembo calipers with ease. I checked the spoke curvature and it gives you plenty of room to spare. You will never worry about clearance issues with this specific forged design.
We see a lot of guys struggle with hub bore sizing on these cars. Thankfully, this setup uses the correct hub-centric rings to ensure a vibration-free ride. It makes the car feel tight and precise at highway speeds.
The barrel lip depth on the Saga S-Plus adds just enough visual weight to the wheel. It looks beefy but maintains that lightweight performance heritage we love. The design flows perfectly with the sharp lines of the 2020 front end.

The coilovers drop the ride height just enough to close the fender gap. We noticed the tires sit perfectly tucked under the fender liner when compressed. You gain better handling geometry without sacrificing your daily comfort.
Be careful if you decide to go any wider on the rubber, though. A tire with a chunky sidewall might rub the inner plastic liners on a full lock turn. Keep your alignment dialed in to prevent any unwanted fender contact.
What We Recommend for Subaru WRX STI Base 2020 Owners
If you want to copy this look, stick to the 18-inch diameter. Nineteen-inch wheels look too big and ruin the ride quality on these rough streets. Eighteen inches gives you the perfect sidewall for actual performance driving.
For the STI, a square setup is the only way to go. Staggered setups will wreck your center differential over time. Keep the same wheel and tire size on all four corners for maximum balance.
Don't be afraid to run a 255 or 265 width tire on this 9.5-inch rim. It gives you a nice, square sidewall profile that performs best in the corners. Avoid extreme stretch unless you only care about parking at car shows.

Offset is where most guys fail on this platform. Stick between +35 and +40 to keep your scrub radius in a happy place. Anything lower than +35 and you will start destroying your fenders.
We see people wasting money on cheap spacers far too often. Buy a high-quality wheel with the right offset from the start. You get better strength and less rotational mass for your build.
Style and Build Analysis
The Mag Blue finish on these TE37s is nothing short of legendary. It changes tone depending on how the sun hits the metallic flakes. In the shade, it looks dark and stealthy, but it pops bright in the light.
This color contrast against the white body of this STI creates an iconic rally aesthetic. The blue isn't too loud, yet it demands attention from everyone at the show. It feels like a nod to Subaru’s championship history.
The six-spoke design remains the king of the wheel world for a reason. It feels timeless and makes the STI look like a modern rally stage weapon. Every line on the wheel directs your eye toward the brake rotors.

When you stand back, the car looks planted and ready for a mountain pass. The stance is purposeful and ignores the trend of being overly slammed. It looks like a car you could actually drive hard every single day.
We have seen hundreds of WRXs, but this one hits differently. Many builds look cluttered with too many aftermarket parts and gaudy accents. This car stays clean, focused, and undeniably fast.
Why We Love This Build
This STI captures the soul of the enthusiast community in one package. When the light catches the Mag Blue paint, the wheels glow with an intensity that photos simply cannot capture. It is a masterclass in keeping things simple while choosing top-tier components that actually work together.
The way the wheels fill the wheel wells makes the car look like it is crouching to launch. We love the connection between the aggressive stance and the legendary TE37 heritage. Every time I walk past this car, I find myself staring at the spoke details and the perfect fitment.
Building a car is about finding that perfect harmony between form and function. This STI achieves that balance and sets the bar for every other owner. Just do it already.

Full Specs Breakdown
Here is exactly what this owner is running. We break down every detail so you can replicate this build or use it as a starting point for your own setup.
- Car Make & Model: Subaru WRX STI Base 2020
- Vehicle Color:
- Wheel Brand & Model: Volk TE37 Saga S-Plus
- Wheel Size: 18×9.5 / 18×9.5
- Offset: 38 / 38
- Wheel Finish: Mag blue
- Tires: Michelin Pilot Sport 4 S 255/35 25″x10″ / 255/35 25″x10″
- Suspension: Coilovers
Before You Buy: Fitment Checklist

We talk to Subaru WRX STI Base owners every day. These are the questions we hear most before they pull the trigger on new wheels.
Will 18×9.5 / 18×9.5-inch wheels fit my Subaru WRX STI Base? Yes, but fitment depends on width, offset, and tire size working together. A wrong offset means rubbing. A wrong tire size means poor handling. Always verify all three.
Do I need to modify my fenders? That depends on your offset and suspension. A conservative offset with stock ride height usually fits without modification. Go aggressive and you may need to roll or pull your fenders.
Can I daily-drive this setup? Absolutely. Thousands of Subaru WRX STI Base owners run 18×9.5 / 18×9.5-inch wheels every day. The key is choosing the right tire with enough sidewall to absorb road imperfections.



