Parts designed to help you win.

High performance parts for Miatas, S2000s, BRZs and more!

New Arrivals!

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new arrivals

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Air filter for Miata airbox
Air filter for Miata airbox

K&N Engineering

K&N 90-97 Miata Drop In Air Filter

K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been designing, manufacturing, and enhancing High-Flow Air Filters for the...
$54.99
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NA/NB MX-5 Miata Billet Aluminum Oil Dipstick Handle
NA/NB MX-5 Miata Billet Aluminum Oil Dipstick Handle

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...
$41.99 - $43.99
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Universal Adjustable Swaybar Endlinks (Short)
Universal Adjustable Swaybar Endlinks (Short)

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...
$49.28
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License Plate Quick Release (PQR) Additional Pieces
License Plate Quick Release (PQR) Additional Pieces

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...
$50.39 - $61.82
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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...
$399.79
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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.
$3,506.69 - $3,738.09
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Weighted Shift Knobs (Multiple Thread Pitches)
Weighted Shift Knobs (Multiple Thread Pitches)

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...
$62.10 - $120.00
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Most Popular Products

An exceptionally experience

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...
$90.99 - $358.16
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NA/NB MX-5 Miata Frame Rail Braces (1990-2005)
NA/NB MX-5 Miata Frame Rail Braces (1990-2005)

NA/NB MX-5 Miata Frame Rail Braces (1990-2005)

*Prices are in USD and include shipping within Canada and USA. For international shipping please visit our International Shipping page for a shipping quotation.*CNC Laser cut and bent out of 304...
$209.99 - $676.71
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NA/NB MX-5 Miata Billet Aluminum Oil Dipstick Handle
NA/NB MX-5 Miata Billet Aluminum Oil Dipstick Handle

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...
$41.99 - $43.99
choose option
Universal Adjustable Swaybar Endlinks (Short)
Universal Adjustable Swaybar Endlinks (Short)

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...
$49.28
add to cart
Air filter for Miata airbox
Air filter for Miata airbox

K&N Engineering

K&N 90-97 Miata Drop In Air Filter

K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been designing, manufacturing, and enhancing High-Flow Air Filters for the...
$54.99
add to cart
NC MX-5 Carbon Fiber Mirror Kit (2006-2015)
NC MX-5 Carbon Fiber Mirror Kit (2006-2015)

R Theory Motorsports

NC MX-5 Carbon Fiber Mirror Kit (2006-2015)

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...
$118.29 - $370.19
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