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

    R Theory Motorsports

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

    Prices are in USD and include shipping within the lower 48 States and Canada. All mounting hardware is included. For international shipping please visit our International Shipping page for a shipping quotation.If you look under a pre-2010 car, it’s very...
    $399.79
    add to cart
  • NA/NB Miata Ultimate Aero Kit
    NA/NB Miata Ultimate Aero Kit

    R Theory Motorsports

    NA/NB Miata Ultimate Aero Kit

    Prices are in USD. All mounting hardware is included. For international shipping please visit our International Shipping page for a shipping quotation.Do it once and do it right. We put together a kit featuring all the killer aerodynamic parts that we...
    $3,506.69 - $3,738.09
    choose option
  • License Plate Quick Release Bracket - PQR (Universal)
    License Plate Quick Release Bracket - PQR (Universal)

    R Theory Motorsports

    License Plate Quick Release Bracket - PQR (Universal)

    Prices are in USD and include shipping within the lower 48 States and Canada. All mounting hardware is included. For international shipping please visit our International Shipping page for a shipping quotation.You’ve seen it here first. A License Plate...
    $83.99 - $172.03
    choose option
  • NA/NB MX-5 Miata Front Splitter Mounts (1990-2005)
    NA/NB MX-5 Miata Front Splitter Mounts (1990-2005)

    R Theory Motorsports

    NA/NB MX-5 Miata Front Splitter Mounts (1990-2005)

    Prices are in USD. All mounting hardware is included. For international shipping please visit our International Shipping page for a shipping quotation.This is for only our NA/NB Miata Mx5 Front Splitter Mounts. You can find the entire Front Splitter Kit...
    $249.99
    add to cart
  • NA/NB MX-5 Miata Chassis Mounted Front Splitter Kit (1990-2005)
    NA/NB MX-5 Miata Chassis Mounted Front Splitter Kit (1990-2005)

    R Theory Motorsports

    NA/NB MX-5 Miata Chassis Mounted Front Splitter Kit (1990-2005)

    Prices are in USD. All mounting hardware is included. For international shipping please visit our International Shipping page for a shipping quotation.For years we have been making the most popular Rear Diffuser kits for Miatas, but we’ve always been...
    $395.99 - $429.95
    choose option
  • NA MX-5 Miata Durable Side Skirts (1990-1997)
    NA MX-5 Miata Durable Side Skirts (1990-1997)

    R Theory Motorsports

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

    *Prices are in USD and include shipping within Canada and USA. For international shipping please visit our International Shipping page for a shipping quotation.Gone are the days of warped and broken Miata Side Skirts. R Theory designed and manufactured...
    $192.99 - $219.99
    choose option
  • NA/NB MX-5 Miata GTC-200 Carbon Fiber Rear Wing (1990-2005)
    NA/NB MX-5 Miata GTC-200 Carbon Fiber Rear Wing (1990-2005)

    APR Performance

    NA/NB MX-5 Miata GTC-200 Carbon Fiber Rear Wing (1990-2005)

    Carbon Fiber 3D GTC-200 Rear Wing made by APR Performance for 1990-2005 Mazda Miatas!Spanning 60.5 inches and a height of 10 inches, the New GTC-200 adjustable wing offers the perfect amount of downforce for midsize and compact cars.Each GTC Series...
    $1,170.00 - $1,430.00
    choose option
  • NA/NB MX-5 Miata Hood Vents + Fender Vent Combo (1990-2005)
    NA/NB MX-5 Miata Hood Vents + Fender Vent Combo (1990-2005)

    R Theory Motorsports

    NA/NB MX-5 Miata Hood Vents + Fender Vent Combo (1990-2005)

    *Prices are in USD, includes shipping within the Lower 48 States and Canada. For international shipping please visit our International Shipping page for a shipping quotation.To get your vents powder coated, click here!For those who really need to vent,...
    $369.99
    choose option
  • NA/NB MX-5 Miata Aluminum Fender Vents (1990-2005)
    NA/NB MX-5 Miata Aluminum Fender Vents (1990-2005)

    R Theory Motorsports

    NA/NB MX-5 Miata Aluminum Fender Vents (1990-2005)

    *Prices are in USD, includes shipping within the Lower 48 States and Canada. For international shipping please visit our International Shipping page for a shipping quotation.To get your vents powder coated, click here!To save a few bucks, group these...
    $191.99
    add to cart
  • NA/NB MX-5 Miata Carbon Fiber Mirror Kit (1990-2005)
    NA/NB MX-5 Miata Carbon Fiber Mirror Kit (1990-2005)

    R Theory Motorsports

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

    Prices are in USD. All mounting hardware is included. For international shipping please visit our International Shipping page for a shipping quotation. If you would like to purchase the APR Mirrors without Miata specific mounts, send us an email for...
    $90.99 - $358.16
    choose option
  • NA/NB MX-5 Miata Carbon Fiber GT250 Wing Kit (1990-2005)
    NA/NB MX-5 Miata Carbon Fiber GT250 Wing Kit (1990-2005)

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

    *Prices are in USD, shipping options allows for shipping within Ontario Canada OR shipped within the Lower 48 States and the rest of Canada. For international shipping please visit our International Shipping page for a shipping quotation.*Keep the rear...
    $1,904.99 - $1,954.99
    choose option