NA/NB MX-5 Miata Flat Underbody Kit (1990-2005) – Complete Aerodynamic Upgrade

420.00

In stock

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.

Purchase this product now and earn 420 DISCOUNT Points!

Transform your Miata’s performance with our Flat Underbody Kit designed for NA (1990-1997) and NB (1998-2005) models.

This kit smooths the airflow under your car, reducing drag and improving fuel efficiency. Whether you’re aiming for better acceleration, a higher top speed, or enhanced diffuser performance, this kit has you covered. Plus, it reduces aerodynamic lift for improved handling.

Key Benefits:

  • Reduced drag = better fuel economy and improved speed
  • Enhanced acceleration and top-end performance
  • Optimized Rear Diffuser functionality
  • Complete coverage of driveline components and undercarriage

All necessary mounting hardware is included, and shipping is free within the lower 48 States and Canada.

For installation details, check out our Install Instructions.

Fitment Notes:
This kit bolts directly to our Frame Rail Braces and OEM Rear Subframe Braces. However, NB2 models (2001-2005) may require adjustments to the ladder brace. For further details, feel free to contact us.

Rear Diffuser and Frame Rails sold separately.

FREE USA & Canada Delivery (other countries, please contact us)

R Theory parts are shipped from Markham, Ontario, Canada.
(Payment of any taxes or import duties in the country of destination will be the responsibility of the recipient.)

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Miata Flat Underbody Kit

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

420.00

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