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    R Theory Motorsports

    Billet Throttle Cable Bracket for Miata Skunk2 Manifold

    *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. Say no more to snapping throttle cable brackets! It's known that...
    $69.99 - $86.99
  • R Theory Motorsports

    Titanium Splitter Skid Plate

    *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. Protect your front splitter from rubbing on the ground! These...
    $58.95
  • R Theory Motorsports

    NA/NB MX-5 Miata Billet Aluminum Oil Dipstick Handle

    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.Everyone knows the factory Miata dipstick...
    $41.99 - $43.99
  • R Theory Motorsports

    Universal Adjustable Swaybar Endlinks (Short)

    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. R Theory Motorsports Miata Sway Bar...
    $63.67
  • R Theory Motorsports

    License Plate Quick Release (PQR) Additional Pieces

    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.This product page is for adding additional...
    $50.39 - $61.82
  • 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
  • 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
  • R Theory Motorsports

    Weighted Shift Knobs (Multiple Thread Pitches)

    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.Introducing R Theory Motorsports Weighted...
    $62.10 - $120.00
  • R Theory Motorsports

    NA/NB MX-5 Miata Delrin Differential Bushings (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...
    $51.99 - $89.99