Hyundai Elantra XD 2000-2004 2.0L G4GC Wildcat Exhaust Headers WILD015

Wildcat WILD015 headers (extractors) are designed for selected Hyundai Elantra XD 2000-2004 models fitted with the 2.0L G4GC DOHC 16-valve petrol engine.

WILD015 features an interference design developed for street performance applications, using 41mm primary pipes, 44mm secondary pipes and a 51mm outlet.

Please check availability and current lead time before ordering.

Key Features

• Designed for selected Hyundai Elantra XD 2.0L models
• 2.0L G4GC DOHC 16-valve engine application
• Interference design for street performance applications
• 41mm (1.58") primary pipes
• 44mm (1.75") secondary pipes
• 51mm (2.00") outlet
• Australian Made

Construction

Wildcat WILD015 headers use an interference-style configuration with 41mm primary pipes, 44mm secondary pipes and a 51mm outlet.

Wildcat headers are manufactured in Australia by the same Australian manufacturer responsible for Genie headers.

Additional Options

Please contact Best Mufflers for current availability and advice regarding compatible exhaust components for your particular Hyundai Elantra application.

Vehicle Fitment

• Make: Hyundai
• Model: Elantra
• Series: XD
• Listed Header Application: 2000-2004
• Engine: 2.0L / 1975cc G4GC
• Engine Type: DOHC 16-valve petrol
• Drive: Front-wheel drive

Fitment Note: The Hyundai Elantra XD 2.0L G4GC continued beyond 2004, but the supplied WILD015 application is listed as 2000-2004. Please contact us to confirm fitment before ordering for later XD models.

Header Specifications

• Part Number: WILD015
• Design: Interference design for street performance applications
• Primary Pipes: 1.58" (approximately 41mm)
• Secondary Pipes: 1.75" (approximately 44mm)
• Outlet: 2.00" (approximately 51mm)
• Manufacture: Australian Made

Fitment Notes

Confirm the vehicle is fitted with the 2.0L G4GC DOHC 16-valve engine before ordering.

Lubricate threaded fasteners with WD-40 or a similar penetrating lubricant before removal to assist with easier removal and installation.

What's Included

Wildcat WILD015 header assembly. Gaskets and other installation components should not be assumed to be included unless specifically shown or stated with the product.

Recommended With

RGG015 – exhaust manifold/header gasket specified for WILD015.

Why Good Headers & Exhaust Systems Matter

The 2.0L engine theoretically draws approximately 4,000 litres of intake air per minute at 4,000 rpm at 100% volumetric efficiency. Once combustion has taken place, the hot exhaust gases occupy substantially more volume as they travel through the exhaust system.

Using an illustrative exhaust temperature of approximately 600°C, this represents around 12,000 litres of exhaust gas per minute. 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

Professional installation is recommended. Check exhaust alignment, mounting points and surrounding clearances during installation.

Lubricate threaded fasteners with WD-40 or a similar penetrating lubricant before removal. After installation and several heat cycles, inspect the system for exhaust leaks and recheck accessible fasteners where appropriate.

Warranty & Compliance

Installation and use must comply with applicable Australian state or territory regulations, including requirements relating to catalytic converters, emissions equipment, exhaust noise and vehicle modifications.

FAQ

Is this product currently available?
Availability and lead times can vary. Please check availability and current lead time before ordering.

What engine does WILD015 suit?
This application is for selected Hyundai Elantra XD models fitted with the 2.0L G4GC DOHC 16-valve petrol engine.

Does WILD015 fit a 2005 or 2006 Hyundai Elantra?
The 2.0L G4GC engine continued in later XD Elantra models, but the supplied WILD015 application is listed as 2000-2004. Please contact us to confirm fitment for later vehicles before ordering.

What gasket suits WILD015?
The specified exhaust manifold/header gasket is RGG015.

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

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