Speedwire Systems Nitrous Control System w/ EFI or Progressive

SKU: SPDWR-NOS-X Categories: ,


Single or Dual Nitrous System for use with EFI or Progressive Controller


Speedwire Systems has a solution for single or dual stage nitrous cars with or with out progressive.

The 14 relay controller has built in trans brake interrupt function for nitrous deactivation during staging. The dual high amperage relay module will provide power to the nitrous stages, if using progressive controller you can activate the second stage with a 12V timer output that are commonly found on most progressives. This system can also be used for nitrous EFI cars, the nitrous relay module could be activated with ground timed outputs from your EFI to activate your stages. Comes with vibration mounts, all eyelets and main distribution fuse.


  • Each output rated at 30 amps
  • Replaceable fuses and relays
  • Comes with data cable from switch panel to relay board
  • Plug and play installation
  • Dimensions: dual relay board 5 by 4.5 inches
  • Dimensions: 14 relay controller 9 by 5 inches

Specify options from drop-down menu above.

Please call us before you order for any custom requests or if you have any questions on this product.

Additional information

Number of Stages

Single Stage / Single Relay Module, Dual Stage / Dual Relay Module

LED Light Bar Option

No LED Light Bar, Add LED Light Bar

Roll Cage Clamps

No, Yes – specify tubing size in order notes


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