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Holden Performance Products
Suppliers of Envyous Customs, X-Air, Mongoose
Onsite Scanning And Programming
Now Manawatu based
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,
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Electronics replacement
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ECU replacement,
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Diagnostic call out's
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Interior lighting upgrades,
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DIY scan tools,
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Reverse camera kits
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Programming tools
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and more...
There's not a lot we don't do
Take a look in our online performance shop or send us a message and inquire.
There are no silly questions!
new arrivals
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