No products in the cart.
R Theory Motorsports
Since 2014, R Theory Motorsports has been working behind the scenes to design some of the latest and greatest aftermarket race parts. R Theory combines the best minds of the Engineering and Manufacturing industries to bring you quality parts that will stand up to the most demanding situations. “Engineered to Perform.” It’s not just a slogan, it’s their guarantee.
R Theory Motorsports started off making designing quality parts for the NA/NB Miata platform, but have now branched off to cater to many other platforms. Before releasing a prototype, careful measurement and consideration to material choices are made. Even more care and attention to detail is made before beginning production of any part they produce.
NA/NB MX-5 Miata Flat Underbody Kit (1990-2005) – Complete Aerodynamic Upgrade
Upgrade your Miata’s aerodynamics with the Flat Underbody Kit for NA/NB (1990-2005). Reduce drag, boost acceleration, and improve overall handling for better performance.
€420.00Frame Rail Brace Backing Plate Kit for Mazda Miata NA/NB (1990-2005)
Transform your ride using our Mazda Miata Frame Rail Backing Plate! These plates improve support and aesthetics for a cleaner look. Order now!
€152.00 – €342.00Mazda Miata NA/NB Frame Rail Braces – Reinforce & Protect Your Chassis
Enhance your Miata NA or NB with our Mazda Miata Frame Rail Braces, engineered for durability and improved performance. Secure your set now!
€237.00 – €641.00Upgrade Your Suspension with Adjustable Sway Bar Endlinks for NC
Enhance your Mazda Miata NC suspension with R Theory Adjustable Sway Bar Endlinks. Precision-crafted for better handling and durability. Free USA & Canada shipping!
€76.00 – €127.00- €168.00 – €437.00
Miata Carbon Fiber Mirror Kit (Set of 2) for NA & NB/NBFL MX-5
Enhance your Miata with the Carbon Fiber Mirror Kit by R Theory Motorsports. Lightweight, strong, and designed to fit NA/NB/NBFL Miata doors perfectly. FREE USA & Canada Shipping
€98.00 – €386.00Mazda Miata NA Steering Rack Spacer – Improve Steering Geometry
Combat bump steer in your lowered Mazda Miata with our Steering Rack Spacer. Crafted from durable aluminum, install yours for better handling!
€68.00Miata MX-5 Delrin Differential Bushings for NA & NB/NBFL
Upgrade your Miata’s drivetrain with R Theory Motorsports Delrin Differential Bushings for NA and NB models. Enjoy a more responsive drive and less wheel hop. FREE USA & Canada Shipping
€73.00 – €118.00Carbon Fiber GT250 Wing Kit for Miata MX-5 NA & NB/NBFL (1990-2005)
Upgrade your NA/NB Mazda Miata with the MX-5 NA wing kit. Achieve superior downforce and stability while racing with style!
€1,769.00Full Side Mount Seat Bracket for Miata MX-5 NA & NB/NBFL(1990-2005)
Upgrade to professional-grade seating in your Miata with our top-notch Miata Bottom Mount Seat Brackets. Order now and enjoy fast shipping!
€226.00High-Performance Fuel Rail for Mazda Miata NA – 1.6 BP Engine
Optimize your Miata’s fuel delivery with our Miata Mazda Fuel Rail. Built for durability and efficiency, it is a must-have for enthusiasts.
€148.00Mazda Miata License Plate Brackets – Quick Release for Easy Access
Streamline your license plate experience with our Mazda Miata License Plate Brackets! Attach with ease and enhance your car’s aesthetics today.
€84.00
