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The one stop shop for your Holden/HSV

Gm Motorsport is dedicated to delivering top-tier service for Holden performance upgrades.

With over 25 years of experience, we've created groundbreaking products. Our Ramjet OTR offers the largest air filter area on the market, while our Ramjet exhaust systems deliver some of the biggest power gains in the header industry.

When paired with our CNC heads and renowned camshaft range, your car will not only turn heads but leave a lasting impression on the road!

Every car is tuned by Phonsy Mullan, a two-time world champion with more than 30 years of racing development experience.

Rest assured, your car is in expert hands. With the perfect combination of sound, power, and reliability, we consistently hit the mark!

Holden

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STAGE 3 - VF HSV 6.2 LSA 530KW

Now: NZD $7,299.41

Retail:

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STAGE 3 - VE- VF V8 340-380kw - Headers, Cats, Intake & Tune

Now: NZD $4,740.35

Retail: NZD $5,227.79

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STAGE 3 - 320kw - Full Exhaust, Intake & Tune

Now: NZD $6,080.81

Retail: NZD $8,030.57
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STAGE 2 - VF HSV 6.2 LSA 510KW

Now: NZD $5,482.48

Retail: NZD $6,933.83

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STAGE 2 - VE- VF V8 320-355kw - Catback, Intake & Tune

Now: NZD $4,862.21

Retail: NZD $5,593.37

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STAGE 2 - 300kw - Catback, Intake & Tune

Now: NZD $4,740.35

Retail: NZD $5,593.37
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STAGE 1 - VF HSV 6.2 LSA 500KW

Now: NZD $4,496.63

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STAGE 1 - VE- VF V8 310-350kw - Intake & Tune

Now: NZD $1,815.71

Retail: NZD $2,303.15

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STAGE 1 - 290kw - Intake & Tune

Now: NZD $1,815.71

Retail: NZD $2,303.15
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STAGE 5 - VE- VF V8 410-440kw - Camshaft

Now: NZD $4,740.35

Retail: NZD $6,702.30

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