NA MX-5 Miata

Mishimoto 90-97 Mazda Miata Manual Aluminum Radiator - MMRAD-MIA-90

By replacing your current Miata radiator with a Mishimoto performance aluminum radiator you will undoubtedly notice a cooler more efficient running engine.All Mishimoto Mazda Miata performance aluminum radiators are designed and engineered to maximize...

Mishimoto 90-97 Mazda Miata 3 Row Manual X-LINE (Thicker Core) Aluminum Radiator - MMRAD-MIA-90X

By replacing your current Miata radiator with a Mishimoto performance aluminum radiator you will undoubtedly notice a cooler more efficient running engine.All Mishimoto Mazda Miata performance aluminum radiators are designed and engineered to maximize...

NA/NB MX-5 Miata Flat Underbody Kit (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. If you look under a pre-2010 car, it’s very rare that you would find one equipped with a Flat Underbody from the factory. But now a days...

NA/NB Miata Ultimate Aero Kit

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. Do it once and do it right. We put together a kit featuring all the killer aerodynamic parts that we make for the NA and NB Miata. Everything you...

NA/NB MX-5 Miata Delrin Window Bushings (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. If your windows are slow/hard to go up and down, it’s probably because of worn out window bushings. The grease in the tracks also pick up...

NA MX-5 Miata Durable Side Skirts (1990-1997)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. Gone are the days of warped and broken Miata Side Skirts. R Theory designed and manufactured durable Side Skirts for the NA Miata chassis. Our...

NA/NB MX-5 Miata Front Tow Hook & License Plate Bracket Kit (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. Good things come in twos! Introducing the R Theory Motorsports Tow Hook & License Plate Bracket kit for the NA and NB Miata. What sets this...

NA/NB MX-5 Miata Carbon Fiber Mirror Kit (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. This kit uses APR Performance Part Number CB-100004B. Introducing the new R Theory Motorsports mirror mount kit for the Universal APR Performance...

NA/NB MX-5 Miata Carbon Fiber GT250 Wing Kit (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. Keep the rear end of your NA/NB Miata planted with the R Theory Carbon Fiber GT250 Wing Kit. This wing kit utilizes APR Performance’s GT250...

NA/NB MX-5 Miata V3 Rear Diffuser Kit (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. It's here folks, the R Theory Motorsports V3 Rear Diffuser has landed. The V3 was designed with the simple and practical looks of the V1 in mind...

NA/NB MX-5 Miata V2 Rear Diffuser Kit (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. Lo and behold the much awaited V2 Miata Rear Diffuser! R Theory designed the V2 diffuser to be wider, and have better flow characteristics than...

NA/NB MX-5 Miata R Theory Motorsports Full Side Mount Seat Bracket (1990-2005)

Prices include shipping within the USA and Canada. International shipping rates are calculated at checkout. Behold, R Theory Motorsports' full seating solution for mounting a race seat in your NA/NB Miata. Everything is made out of 1/8" thick Laser Cut...