Advance Headers | Mild Steel Exhaust Extractors | Ford Mustang 64-73 LHD 289-302 Windsor Auto | A55L
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Advance Headers | Mild Steel Exhaust Extractors | Ford Mustang 64-7...
Description
Description
Advance Headers High-Performance Mild Steel Exhaust Extractors for Left-Hand Drive (LHD) Ford Mustang 1964–1973 289 / 302 Windsor V8 Engines
The Advance Headers Performance Exhaust Extractors (A55L) are classic heavy-duty tubular manifolds custom-engineered specifically for original Left-Hand Drive (LHD) American muscle icons. Purpose-built to clear the structural parameters of first-generation 1964–1973 Ford Mustang engine bays configured with left-hand steering layouts, this kit accommodates the traditional exhaust port architecture of small-block Ford 289-Cubic Inch and 302-Cubic Inch Windsor V8 engines (including 1962–1965 early block castings). By replacing highly restrictive factory cast iron manifolds, this mandrel-bent assembly drastically reduces engine backpressure to maximize gas scavenging velocity, unlocking noticeable low-to-mid range torque, crisp throttle response, and a timeless muscle car sound.
PRODUCT CONTENTS:
- 1 x Heavy-Duty Mild Steel Left-Hand Windsor V8 LHD Extractor Header Assembly
- 1 x Heavy-Duty Mild Steel Right-Hand Windsor V8 LHD Extractor Header Assembly
Key Features:
- Engineered explicitly for left-hand drive steering geometries, providing perfect clearance around LHD steering columns, boxes, and linkages without component binding
- Custom clearance-mapped around the unique packaging constraints of factory automatic transmission bellhousings and oil pans
- Tuned mandrel-bent primary piping pathways ensure completely uniform internal flow geometry, optimizing gas velocity and eliminating heavy factory casting restrictions
- Heavy-duty mild steel construction structurally built to handle intense engine bay thermal expansion cycles and high-vibration muscle car applications safely
- Thick, precision laser-cut cylinder head flanges maintain a flat, ultra-stable mating footprint to permanently guard against warping and high-pressure exhaust leaks
Specifications:
- Brand: Advance Headers
- Part Number: A55L
- Material: Mild Steel (Standard Finish)
- Engine Suitability: Ford Small Block Windsor V8 (289ci & 302ci Blocks / 1962–1965 Castings Included)
- Steering Configuration: Left-Hand Drive (LHD) Models Only
- Transmission Compatibility: Automatic Transmission Models Only
- Component Type: Classic Muscle Performance Exhaust Extractors / Headers
- Estimated Fitting Time: 3 Hours
- Welding Required: No (Direct Bolt-On Configuration to Cylinder Heads)
⚠️ Crucial Drivetrain & Steering Format Compatibility Exclusions:
1. Strictly Automatic Transmissions Only: This product (Part No. A55L) is designed and space-mapped exclusively around underbody automatic transmission casings. It will NOT fit vehicles equipped with manual gearboxes due to physical interference with manual clutch linkages, Z-bars, forks, and slave cylinders.
2. Left-Hand Drive Steering Focus: Formed precisely to navigate past steering components on the left side of the vehicle bay. For standard Australian Right-Hand Drive (RHD) Mustang conversions, please refer to part number A55.
Please Note: Due to tight engine bay parameters across early Ford muscle car shock towers and custom aftermarket steering modifications, professional installation by a classic vehicle exhaust specialist or qualified restoration workshop is highly recommended.
Important Information
- The image shown may not reflect the actual product design.
- Ensure your vehicle details match the application guide below before purchasing.
Vehicle Applications for A55L LHD Performance Ford Windsor V8 Extractors
| Make | Model | Year Range Spec | Body Type | Chassis Configuration | Engine Details | Fitting Time | Drivetrain / Fitment Notes |
|---|---|---|---|---|---|---|---|
| Ford (US) | Mustang / Fastback / Coupe / Convertible | 1964 – 1973 | 2-Door Hardtop / Fastback / Convertible | First Generation (Left-Hand Drive Only) | 289ci & 302ci Windsor Small Block V8 (Includes 1962–1965 block runs) | 3.0 Hours | RWD | Mandrel-bent upgrade routing mapped to drop cleanly past LHD steering gears, pitman arms, and automatic oil pans safely. Will not fit manual cars or RHD conversions. |
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