Holden Commodore VT VX VY VU 3.8L Ecotec V6 Headers – Wildcat WILD030

Wildcat WILD030 exhaust headers (extractors) are designed for selected Holden Commodore VT, VX, VY and VU models fitted with the 3.8L L36 Ecotec V6 petrol engine.

Featuring an interference-style design, WILD030 replaces the restrictive factory exhaust manifolds with larger performance pipework designed to improve exhaust gas flow and scavenging. Reduced exhaust restriction can improve torque, throttle response and overall engine performance.

WILD030 is a direct-fit application and is designed to suit both manual and automatic transmissions, making it suitable for street-driven Commodores looking for improved exhaust flow and performance.

Please check availability before ordering.

Key Features

• Designed for selected Holden Commodore VT, VX, VY and VU models
• Suits the 3.8L L36 Ecotec V6 petrol engine
• Suits manual and automatic transmissions
• Interference-style design for street performance applications
• 38mm (1.50") primary pipes
• 51mm (2.00") outlets
• Direct-fit application
• Designed to improve exhaust flow, torque, throttle response and engine performance

Construction

• Australian-made Wildcat performance headers
• Quality mild steel construction
• Strong welded construction for durability
• Heat-resistant painted finish rated to approximately 600°C
• Heavy-duty cylinder-head mounting flanges

Additional Options

• DSF083: Replacement exhaust manifold/header gaskets available separately
• Replacement manifold studs, nuts and exhaust hardware available where required

Vehicle Fitment

• Make: Holden
• Model: Commodore
• Series: VT / VX / VY / VU
• Year Range: 1997–2003
• Engine: L36 Ecotec V6 petrol
• Capacity: 3.8L / 3791cc
• Transmission: Manual & Automatic

Fitment Notes

• Designed for selected Holden Commodore VT, VX, VY and VU 3.8L Ecotec V6 applications
• Suits manual and automatic transmissions
• Direct-fit application
• Replacement exhaust manifold/header gaskets – see DSF083
• Protect painted surfaces during trial fitting to minimise damage to the heat-resistant coating
• Vehicle modifications, engine conversions, aftermarket steering components or non-standard engine mounts may affect clearance and fitment
• Please check availability before ordering.

What’s Included

• 1 x Pair Wildcat WILD030 headers / extractors

Recommended With

• DSF083 exhaust manifold/header gaskets
• Replacement manifold studs and nuts where existing hardware is worn or corroded
• New exhaust flange hardware where required
• Quality performance exhaust system where further exhaust flow improvement is required

Why Good Headers & Exhaust Systems Matter

At 4,000 rpm, the 3791cc Holden 3.8L Ecotec V6 draws in approximately 7,582 litres of intake air per minute and expels around 22,750 litres of hot exhaust gas per minute at approximately 600°C. A well-designed header and exhaust system helps manage this high gas flow efficiently, reducing restriction and improving exhaust scavenging, torque, throttle response and engine performance.

Installation Tips

Apply penetrating lubricant such as WD-40 or similar to the manifold studs, nuts and exhaust fasteners before removal. Protect the painted header surfaces during installation and trial-fit both headers before final tightening. Check engine, transmission, steering and body clearance and inspect the existing exhaust connections and mounting hardware before completing installation.

Warranty & Compliance

Wildcat headers are covered by a 2-year manufacturer's warranty subject to standard warranty terms and conditions.

Installation must retain the catalytic converters, oxygen sensors and any other emissions-control equipment required for the vehicle. Exhaust and emissions requirements vary between Australian states and territories, and the completed installation must comply with the regulations applicable in your state or territory.

FAQ

What vehicles do WILD030 headers suit?
WILD030 is designed for selected Holden Commodore VT, VX, VY and VU models fitted with the 3.8L L36 Ecotec V6 petrol engine.

Will WILD030 fit both manual and automatic transmissions?
Yes. WILD030 is listed for both manual and automatic transmission applications.

Are WILD030 headers direct fit?
Yes. WILD030 is listed as a direct-fit application for the applicable standard vehicle configuration.

What size are the WILD030 header pipes?
WILD030 uses 38mm (1.50") primary pipes and 51mm (2.00") outlets.

What exhaust gaskets are required?
The recommended replacement exhaust manifold/header gasket is DSF083, available separately.

Can I pick up from the store?
Yes. Pick up is available but must be pre-arranged before collection.

How much is freight?
Freight varies depending on your delivery location and where stock is available. Please contact us for freight charges before ordering. Where possible, we can arrange dispatch from the nearest available product location to help reduce freight costs and delivery times.

Do you ship to the USA?
Yes. Best Mufflers regularly ships exhaust systems and exhaust parts to customers throughout the United States.

Please note that import duties, tariffs, taxes, and customs clearance fees are not included in the product or shipping price. Once your order is processed and the applicable charges are calculated, we will send you a secure payment link to finalise the import duties and tariff charges before dispatch.

Customer Support

For phone orders, fitment advice or product enquiries, contact Best Mufflers:

Call Now: +61 2 9547 3511 Email Us

Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia
Monday–Friday 8:00am–5:00pm by appointment
Exhaust Systems Since 1983