Proton Jumbuck 2003-2010 1.5L 4G15P SOHC 12V Wildcat Exhaust Headers WILD701

Wildcat WILD701 exhaust headers (extractors) are designed for selected Proton Jumbuck models from 2003–2010 fitted with the 1.5L 4G15P SOHC 12-valve petrol engine.

Featuring an interference-style header design, WILD701 uses 38mm (1.50") primary pipes, 45mm (1.75") secondary pipes and a 51mm (2.00") outlet. This combination is designed for street performance applications, helping maintain exhaust gas velocity and improve scavenging for better torque, throttle response and usable engine performance.

Please check availability and current lead time before ordering.

Key Features

• Designed for selected Proton Jumbuck 2003–2010 applications
• Suits the 1.5L 4G15P SOHC 12-valve petrol engine
• Interference-style header design for street performance applications
• 38mm (1.50") primary pipes
• 45mm (1.75") secondary pipes
• 51mm (2.00") outlet
• Designed to improve exhaust gas flow and scavenging
• Helps improve torque, throttle response and engine performance
• Australian-made Wildcat performance headers

Construction

• Quality mild steel construction
• Strong welded construction for durability
• Formed pipework designed for efficient exhaust gas flow
• Heat-resistant painted finish rated to approximately 600°C
• Australian manufactured by Wildcat

Additional Options

• Replacement exhaust manifold/header gasket where required
• Replacement manifold studs and nuts where existing hardware is worn or corroded
• High-temperature exhaust gasket sealant where appropriate
• Performance exhaust system where further exhaust flow improvement is required

Vehicle Fitment

• Make: Proton
• Model: Jumbuck
• Year Range: 2003–2010
• Engine Capacity: 1.5L / 1468cc
• Engine Code: 4G15P
• Engine Type: SOHC 12-valve inline 4-cylinder petrol
• Fuel System: Multi-point fuel injection

Fitment Notes

• Designed for selected Proton Jumbuck models from 2003–2010 fitted with the 1.5L 4G15P engine
• Suitable for the SOHC 12-valve 4G15P petrol engine
• Please confirm your vehicle is fitted with the 4G15P engine before ordering
• Engine conversions, replacement engines, modified engine mounts or non-standard exhaust systems may affect fitment
• Please check availability and current lead time before ordering.

What’s Included

• 1 x Set Wildcat WILD701 exhaust headers / extractors
• Outlet components as supplied

Recommended With

• New exhaust manifold/header gasket
• Replacement manifold studs and nuts where existing hardware is worn or corroded
• High-temperature exhaust gasket sealant where appropriate
• Quality performance exhaust system where further exhaust flow improvement is required

Why Good Headers & Exhaust Systems Matter

At 4,000 rpm, the 1.5L 4G15P engine theoretically draws in approximately 3,000 litres of intake air per minute and can expel around 9,000 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
• Remove all traces of the old manifold gasket before installing the headers
• Inspect the cylinder-head sealing surface, manifold studs and threads before installation
• Fit a new exhaust manifold/header gasket
• Trial-fit the headers before fully tightening the mounting hardware
• Check clearance around the engine mounts, steering, transmission, starter motor and surrounding components
• Protect the painted header surfaces during trial fitting and installation
• Check all exhaust connections for leaks after installation
• Inspect and re-tighten the header mounting hardware after the initial heat cycles

Warranty & Compliance

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

Installation must retain the catalytic converter, oxygen sensor 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

Which Proton Jumbuck models does WILD701 suit?
WILD701 is designed for selected Proton Jumbuck models from 2003–2010 fitted with the 1.5L 4G15P petrol engine.

What engine does the Proton Jumbuck use?
The applicable Jumbuck uses the 1468cc 4G15P SOHC 12-valve inline 4-cylinder petrol engine.

Is the 4G15P a 12-valve engine?
Yes. The 4G15P used in the Proton Jumbuck is a SOHC 12-valve engine with three valves per cylinder.

What size are the WILD701 header pipes?
WILD701 uses 38mm (1.50") primary pipes, 45mm (1.75") secondary pipes and a 51mm (2.00") outlet.

What finish is used on WILD701?
The headers have a heat-resistant painted finish rated to approximately 600°C.

Are WILD701 headers Australian made?
Yes. Wildcat WILD701 headers are manufactured in Australia.

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