Ford Territory SX SY 4.0L DOHC Pacemaker Headers PH4491
$646.14
Tax included
Pacemaker Headers PH4491 – Ford Territory SX & SY 4.0L DOHC
Pacemaker PH4491 headers are designed for the Ford Territory SX & SY 4.0L DOHC engines. Precision mandrel-bent pipes and a tuned interference design boost torque, throttle response, and overall flow efficiency. Perfect for street and performance upgrades, these headers deliver proven Pacemaker reliability and a deeper exhaust tone. Click image for larger view and more images.
Best Mufflers offers expert advice and fast shipping Australia-wide.
Pacemaker Headers PH4491 – Ford Territory SX & SY 4.0L DOHC
Pacemaker Headers PH4491 (extractors) are a direct-fit performance upgrade for Ford Territory SX and SY 4.0L DOHC models. Featuring an interference design with 45mm mandrel-bent primary pipes, 51mm secondaries, and a 76mm outlet, these headers are engineered to improve exhaust scavenging, reduce back pressure, and increase torque. They deliver sharper throttle response and a stronger exhaust note — ideal for street performance and daily driving applications.
Key Features
- Interference design for improved mid-range torque and throttle response
- Mandrel-bent 45mm primary pipes, 51mm secondaries, 76mm outlet
- Machined flanges for strength and precise sealing
- Optimised collector merge for efficient scavenging
- Designed and manufactured in Australia for perfect fitment
Construction
- High-quality steel tubing with robust welds for long service life
- Pacemaker Blue heat-resistant finish rated to 800°C
- Proven durability and performance under Australian conditions
Additional Options
- Ceramic Coating (PHC50): Improved heat resistance and appearance
- Gasket (DSF157): Available separately for a complete seal
- High Flow Catalytic Converter: See product code CAT4490-95
Fitment Notes
- Suits Ford Territory SX & SY 4.0L DOHC Barra non-turbo models
- Protect painted surfaces and wrap headers during trial fitting
- Clearance may vary slightly depending on engine mounts and steering components
- Factory O2 sensor ports retained for OEM compatibility
What’s Included
- Pacemaker Headers SKU: PH4491 header assembly
- Header bolts [12]
Recommended With
- New exhaust gasket (DSF157 available separately)
- High Flow Catalytic Converter (CAT4490-95)
- Exhaust sealant for final assembly
Performance & Airflow
- The Ford 4.0L DOHC engine draws approximately 8,500 L/min intake air and expels 25,000 L/min exhaust gas at 5000 rpm
- Optimised flow design improves scavenging and reduces exhaust restriction
Warranty & Compliance
- Backed by Pacemaker’s 2-year manufacturer warranty (standard terms apply)
- Verify emissions and registration compliance in your state
Customer Support
For phone orders, advice, or part enquiries – contact us:
📞 Call Now: +61 2 9547 3511 ✉️ Email Us
🇦🇺 Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia
Exhaust Systems Since 1983
Workshop hours: Mon–Fri 8:00am–5:00pm (By Appointment Only) | Phone and email enquiries welcome 24 hours
Pacemaker-Headers-PH4491
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Pacemaker Headers PH4491 – Ford Territory SX & SY 4.0L DOHC
Pacemaker PH4491 headers are designed for the Ford Territory SX & SY 4.0L DOHC engines. Precision mandrel-bent pipes and a tuned interference design boost torque, throttle response, and overall flow efficiency. Perfect for street and performance upgrades, these headers deliver proven Pacemaker reliability and a deeper exhaust tone. Click image for larger view and more images.
Best Mufflers offers expert advice and fast shipping Australia-wide.