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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.
Miata MX-5 Delrin Window Bushings for NA & NB/NBFL
Upgrade your Miata NA or NB windows with durable Delrin window bushings from R Theory Motorsports. Easy to install and long-lasting. FREE USA & Canada Shipping
€38.99Miata 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 – €386.00- €168.00 – €437.00
Miata 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 – €118.00- €56.00 – €109.00
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.
€420.00Miata NC Front License Plate Mount – Easy & Durable Solution
Install your Miata NC License Plate Mount swiftly without drilling! This durable mount retains tow hook access while enhancing style. Get yours!€28.00Mazda 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.
€84.00V3 Rear Diffuser Kit for Miata MX-5 NA & NB/NBFL (1990-2005)
Achieve a more aggressive stance with the Miata diffuser, crafted for peak performance! Enjoy improved airflow in your Mazda MX-5. Shop here!
€329.00 – €354.00V2 Mazda Miata NA/NB Rear Diffuser – Enhanced Performance & Style
Upgrade your Mazda Miata NA or NB with the V2 rear diffuser! Wider design, better airflow, and improved downforce. Made-to-order with FREE USA & Canada shipping.
€411.00V1 Rear Diffuser Kit for Miata MX-5 NA & NB/NBFL (1990-2005)
Elevate your Miata performance using the Miata Rear Diffuser Kit. Adjust the length and angle for style and improved aerodynamics!
€299.00 – €326.00Mazda Miata Lightweight Billet Aluminum Pulleys for water pump and alternator
Elevate your engine’s performance with the Mazda Miata water pump pulley. Enjoy a sleek look and lightweight design for maximum efficiency!
€166.00 – €183.00Mazda 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!
€68.00
