Search

Pacemaker PH4491 headers are designed for Ford Falcon BA, BF, and FG 4.0L DOHC Barra engines.
search

Ford Falcon BA BF FG inc XR6 4.0L DOHC Pacemaker Headers PH4491

$587.40
Tax excluded

Pacemaker Headers PH4491 – Ford Falcon BA, BF, FG 4.0L DOHC

Pacemaker PH4491 headers are designed for Ford Falcon BA, BF, and FG 4.0L DOHC engines. Featuring an interference design with mandrel-bent 45mm primaries, 51mm secondaries, and 76mm outlets, they improve exhaust flow, torque, and throttle response while delivering a deep performance note. Built tough with a high-temperature Pacemaker Blue finish for long service life. Click the image for more photos.

Quantity
In Stock

Pacemaker Headers PH4491 – Ford Falcon BA, BF, FG 4.0L DOHC

Pacemaker Headers PH4491 (extractors) are engineered to enhance the performance of Ford Falcon BA, BF, and FG 4.0L DOHC engines. Designed with precision mandrel bends and a tuned interference layout, these headers significantly improve torque and throttle response across the rev range. Ideal for street performance, daily driving, or light competition, they ensure a perfect fit, long life, and the quality Pacemaker is known for.

Key Features

  • Interference design for improved scavenging and balanced flow
  • Mandrel-bent 45mm primary pipes, 51mm secondaries, 76mm outlet
  • Thick, machined flanges ensure strength and reliable sealing
  • Smooth merge collectors improve torque and exhaust velocity
  • Optimised for performance and long-term reliability

Construction

  • High-quality steel tubing with precise welds for durability
  • Pacemaker Blue heat-resistant finish rated to 800°C
  • Built to suit factory mounts and connection points

Additional Options

  • Ceramic Coating (PHC50): Improves heat resistance and appearance
  • Gasket (DSF157): Available separately for optimal sealing

Fitment Notes

  • Suits Ford Falcon BA, BF, FG 4.0L DOHC engines (non-turbo models)
  • Protect painted surfaces and wrap headers during trial fitting
  • Clearance may vary with aftermarket engine mounts or steering modifications
  • Compatible with Pacemaker and OEM catalytic converters (see CAT4490-95)

What’s Included

  • Pacemaker Headers ski: PH4491 header assembly
  • Header bolts [12]

Recommended With

  • New exhaust gasket and sealant
  • High-Flow Catalytic Converter: See product code CAT4490-95
  • Matching Pacemaker cat-back exhaust system (sold separately)

Performance & Airflow

  • Ford 4.0L DOHC engine draws approximately 8,500 L/min intake air and expels 25,000 L/min exhaust at 5000 rpm
  • Improved header geometry enhances low- to mid-range response

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 fitment assistance:

📞 Call Now: +61 2 9547 3511 ✉️ Email Us

🇦🇺 Best Mufflers
87A Planthurst Road, Carlton NSW 2218, Australia

Pacemaker-Headers-PH4491


You might also like