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Holden Performance Products

   Suppliers of Envyous Customs,      X-Air, Mongoose

Onsite Scanning And Programming

Now Manawatu based

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Ecu or

Memcal Tuning

Mail order or Road performance tuning options

Doing what the dealerships can't and won't

ABOUT HOLDEN DIAGNOSTICS

We specialise in all things Holden Commodore!
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  • ECU tuning,

  • Electronics replacement

  • ECU replacement,

  • Diagnostic call out's

  • Interior lighting upgrades,

  • DIY scan tools,

  • Reverse camera kits  

  • Programming tools

  • and more...

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There's not a lot we don't do 

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Take a look in our online performance shop or send us a message and inquire.

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There are no silly questions!

new arrivals
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