R Theory Motorsports

R Theory Motorsports Function and Form inspired parts. We ship worldwide. http://www.rtheorymotorsports.com

NEW PRODUCTPlates off on the track to maximize airflow. Plates on on the streets. We are excited to announce our new lig...
08/06/2026

NEW PRODUCT

Plates off on the track to maximize airflow. Plates on on the streets. We are excited to announce our new lightweight plate quick release. Remove your plates easily to clear the front-end of your car to get that clean air in. No tools required. After your winning lap, pop your plate back in.

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License Plate Quick Release
REX-10091 - Carbon Reinforced Plastic

05/04/2026

That feeling when you finally catch a glimpse of the entrance to the racetrack after a long drive.

Just you and your machine, pushing it to the limit while everything else takes a back seat.

For these few hours, nothing else matters, just finding the right line and going faster. 🏁

More days like this are just around the corner. 😎

05/01/2026

We installed our Universal Sway Bar Adjuster on the stock rear sway bar of this Civic and the difference was immediate.

+10% cornering speed in our testing, with a much more planted and confidence-inspiring feel. Turn-in is sharper, the car feels more responsive, and it carries speed through corners with ease.

What was once a mundane daily now feels genuinely fun to drive.

That’s exactly what we set out to build with the SBA:
a simple, easy-to-install solution that works across platforms and delivers real, noticeable results.
From Miatas to GTIs to GTRs, the feedback has been consistent.

If it can transform this Civic, imagine what it’ll do for your car.

Available at rtheorymotorsports.com and through our vendors.

Fastest gal in Arizona. 🌵🏁Track driven and properly built.Running our S2000 Hood Vents the way they're designed to be us...
04/23/2026

Fastest gal in Arizona. 🌵🏁
Track driven and properly built.
Running our S2000 Hood Vents the way they're designed to be used. 😤

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📸

04/22/2026

We took one of our most popular motorsports products and gave it a new job.

If your bike rack is blocking your plate, you’re technically driving illegal.
Our Bike Rack License Plate Quick Release fixes that in seconds. No tools, no hassle.

Simple idea. Done right.

04/21/2026

The best suspension mod you can do to ANY car! 🏎

We installed our patent pending Sway Bar Adjuster on a stock Mazda MX-5 Miata ND and the difference was immediate.

The car carried about 10% more speed through the same corner, but more importantly, it felt way more alive and confidence inspiring at the limit.

More rotation. More control. More fun.

If it can transform a stock ND like this, imagine what it does on your setup.

The car that started it all. It began as a stock-looking 1997 Miata, turbocharged by the previous owner. Over the years ...
04/20/2026

The car that started it all. It began as a stock-looking 1997 Miata, turbocharged by the previous owner. Over the years it’s evolved into a full bolt-on, aero’d out dual-duty street/track car.

Every NA/NB Miata part we’ve engineered was tested on this car before going into production and shipping out to other enthusiasts. Even our Universal parts like the Plate Quick Release and Sway Bar Adjuster cut their chops here.

Because projects never really end, there’s still a long list of little things to improve. But the big stuff is done… and it’s a friggin rocket that just wants to be pushed hard!

-Forged 1.8L BP4W
-GTX2860R Turbo
-280whp (fuel injector limited)
-AST 5100 Coilovers
-Konig Freeform 15×9.5 w/ 245's
-R Theory Universal Long Hood Vents
-R Theory / APR GT250 Wing Kit
-R Theory Chassis Mounted Splitter
-R Theory Flat Underbody and V3 Diffuser

04/14/2026

We put our Universal Sway Bar Adjuster on the rear sway bar of this Honda Civic and the car WOKE UP! The car went from being an understeering daily driver to a darty cornering machine!

Front wheel drive cars benefit greatly from stiffening the rear suspension, allowing them to rotate better through the corners.

Our Sway Bar Adjuster mimicked the results of installing a stiffer rear swaybar, except at a fraction of the price and installation time.

04/08/2026

Dial in the suspension of your car in under an hour! 🏎

We installed our patent pending Sway Bar Adjuster on a stock 10th Gen Honda Civic, and it totally transformed the way it cornered! 🏁

The car carried more speed through our roundabout test, and it turned into a nimble and darty cornering machine. If it can do this to a Civic, imagine what it does to yours.

A show car isn't always a racecar, but a racecar is always a show car.torsiello 's 10th Anniversary NB Miata repping our...
04/03/2026

A show car isn't always a racecar, but a racecar is always a show car.
torsiello 's 10th Anniversary NB Miata repping our NB Miata Vent kit, PQR, and a few other goodies. 😍

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Toronto, ON

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