About This Subaru WRX STI Sport-tech 2013 Build
We love featuring real builds from real owners. This Subaru WRX STI Sport-tech 2013 sits on a set of 18×9.5 / 18×9.5-inch MST MT01 wheels, and the result speaks for itself.
The owner chose MST 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 Sport-tech builds come through WheelFront every month, but this one stands out. The combination of the exterior with the MST MT01 creates a look that balances aggression with elegance.

Fitment Breakdown: MST MT01 on the Subaru WRX STI Sport-tech 2013
I walked around this STI for twenty minutes at the last meet. The 18x9.5 setup on all four corners fills the wheel wells exactly how a Subaru should look. That +35 offset pushes the face out just enough to clear the massive Brembo brakes without needing a spacer.
You get that aggressive flush look that most street builds miss. The 9.5-inch width provides a solid contact patch for the rubber. It hugs the road without looking like a track-only monster that breaks your spine on every bump.
The MST MT01 design features a nice concave profile that catches the light beautifully. Those spokes clear the calipers by a hair, which is tight but functional. You do not need to worry about the hub bore either, as it centers perfectly on the STI hubs.
Because the car sits on stock suspension, you see a bit of daylight in the arches. This setup is forgiving, but you must watch for rubbing on the fender liners during hard cornering. If you hit a deep dip at speed, the tires might kiss the plastic liners.

That 35 offset is the golden ticket for the GD and GR chassis platforms. It avoids the dreaded poke that makes a car look like a rollerskate. You get a serious, grounded stance that keeps the geometry tight and responsive.
The barrel lip depth on the MT01 adds a layer of depth that flat-face wheels lack. It gives the STI a muscular aesthetic from the side profile. I love how the design mimics classic racing wheels while staying modern and sharp.
We checked the clearance on the inner struts during our walk-around. There is plenty of room even with this wider width. You have a clean fitment that looks deliberate and well-researched.
What We Recommend for Subaru WRX STI Sport-tech 2013 Owners
If you want to replicate this look, stick to the 18x9.5 square setup. A square configuration allows you to rotate your tires and keeps the handling neutral. Avoid staggered setups on an AWD system like the STI.

The +35 offset is your best friend for a bolt-on experience. If you push the offset lower, you will spend your weekends rolling fenders and dealing with paint cracks. Keep it simple and let the wheel design do the heavy lifting.
For tires, go with a 255/35R18 or 265/35R18. These sizes tuck under the fenders cleanly and offer the best grip for daily driving. A 265 might require a minor fender roll if you decide to lower the car later.
Do not waste your money on cheap spacers unless you absolutely need them for clearance. Every spacer is another point of failure and adds unnecessary stress to your wheel bearings. This specific MST fitment makes spacers totally obsolete.
Watch your alignment settings when you bolt these on. A slight bit of negative camber makes the car handle better and protects your fenders. Aim for around -1.5 degrees in the front for a perfect balance of tire wear and grip.

Style and Build Analysis
The Gunmetal finish on these MT01s creates a moody, tactical contrast against the STI body. It is not as harsh as black, and it stays cleaner than silver. It highlights the intricate spoke pattern without screaming for attention.
The wheels give the car a purpose-built, rally-inspired vibe. This STI looks like it belongs on a mountain pass rather than a showroom floor. The proportions match the aggressive lines of the 2013 body style perfectly.
We see a lot of flashy wheels at events, but this build stands out because it is restrained. It focuses on the right width and the right offset to create a cohesive image. The car looks balanced from the front, rear, and side angles.
You can tell the owner understands that fitment is about the sum of its parts. By keeping the stock suspension, they kept the car drivable and reliable. It is a masterclass in how to upgrade a car without ruining its soul.
This build proves that you do not need a widebody kit to have an impressive stance. It hits that sweet spot between a daily driver and a weekend canyon carver. It is exactly the kind of setup I recommend to my friends.
Why We Love This Build
Seeing this Subaru in the sunlight turned my head instantly. The Gunmetal finish catches the rays and emphasizes the deep, concave spokes of the MST MT01s. The wheels fill the arches just enough to give the car a menacing, planted stance without being obnoxious. It looks like it could eat up a dirt road or a highway stretch with the same level of confidence.
Everything about this car feels right. It is a clean, honest build that respects the legacy of the STI. We love it because it is attainable, smart, and undeniably cool. You want this car in your garage the moment you see it roll by. This is how you do a proper street build.

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 Sport-tech 2013
- Vehicle Color:
- Wheel Brand & Model: MST MT01
- Wheel Size: 18×9.5 / 18×9.5
- Offset: 35 / 35
- Wheel Finish: Gunmetal
- Tires: Michelin Pilot Sport A/S 3 245/40 25.7″x9.6″ / 245/40 25.7″x9.6″
- Suspension: Stock
Before You Buy: Fitment Checklist

We talk to Subaru WRX STI Sport-tech 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 Sport-tech? 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 Sport-tech 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.



