NB MX-5 (Miata)

Plug-in standalone ECUs for Mazda Miata MX-5 NB (1998-2005) 1.8L BP-4W and BP-Z3 with VVT. Full continuous variable intake cam control, closed-loop idle, and boost control.

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  • Haltech - Elite 750 Plug 'n' Play Adaptor Harness ECU Kit - Mazda Miata / MX-5 NB

    Haltech - Elite 750 Plug 'n' Play Adaptor Harness ECU Kit - Mazda Miata / MX-5 NB

    Sale price  $2,317.00 Regular price $2,394.00
  • Haltech - Elite 1500 Plug 'n' Play Adaptor Harness ECU Kit - Mazda MX-5 NB

    Haltech - Elite 1500 Plug 'n' Play Adaptor Harness ECU Kit - Mazda MX-5 NB

    Sale price  $2,882.60 Regular price $2,968.00
  • Haltech - Nexus S3 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NB

    Haltech - Nexus S3 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NB

    Sale price  $3,528.00 Regular price $3,920.00
  • Haltech - Nexus S2 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NB

    Haltech - Nexus S2 Plug 'n' Play Adapter Harness Kit - Mazda MX5 NB

    Sale price  $2,982.00 Regular price $3,311.00
  • Haltech - Nexus S2/S3 Plug 'n' Play Adapter Harness Mazda MX5 NB

    Haltech - Nexus S2/S3 Plug 'n' Play Adapter Harness Mazda MX5 NB

    Sale price  $672.00 Regular price $749.00
  • Haltech - Elite 1000/1500 Mazda Miata (MX-5) NB Plug'n'Play Adaptor Harness

    Haltech - Elite 1000/1500 Mazda Miata (MX-5) NB Plug'n'Play Adaptor Harness

    Sale price  $553.00 Regular price $693.00