Advance Headers | Mild Steel Exhaust Extractors | Holden Commodore VN-VS Statesman Variable Rack 5.0L | A314V
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Advance Headers | Mild Steel Exhaust Extractors | Holden Commodore ...
Description
Description
Advance Headers High-Performance Mild Steel Exhaust Extractors for HOLDEN 5.0L Fuel-Injected 304 V8 Engines (Variable Speed Rack Only)
The Advance Headers Performance Exhaust Extractors (A314V) are precision-engineered for the second-generation Holden 5.0-Litre (304 cubic inch) fuel-injected V8 engine family running factory variable-ratio steering gear. Specially configured with unique primary tube routing loops to clear the oversized hydraulic control valve module housing found on high-spec VN to VS Commodores and VQ to VS Statesman luxury cruisers, this heavy-duty tubular header upgrade replaces the restrictive factory cast iron log manifolds to drop backpressure and maximize scavenging velocity.
PRODUCT CONTENTS:
- 1 x Heavy-Duty Mild Steel Performance Exhaust Extractor Header Set (Left & Right Bank Assembly)
Key Features:
- Modified driver-side primary clearance pathways designed explicitly to sweep around variable-ratio (Variatronic) power steering rack inputs safely
- Tuned mandrel-bent primary piping pathways map perfectly to high-port symmetrical VN-style EFI cylinder heads, ensuring uniform gas flow routing and maximizing engine efficiency
- Substantially optimizes low-to-mid range torque delivery and throttle response—perfect for daily high-performance driving, heavy luxury cruising, and towing
- Heavy-duty mild steel construction structurally built to handle intense under-hood thermal transitions and demanding V8 operational heat cycles 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: A314V
- Material: Mild Steel (Standard Finish)
- Engine Suitability: Holden 5.0L 304ci EFI Pushrod V8 Petrol Only (Not for early 253/308 carburetted blocks)
- Steering Rack Compatibility: Fits Models Optioned with Variable Speed/Variatronic Power Steering Racks Only
- Transmission Limitations: Fits 5-Speed Manual & 4-Speed Automatic (Will NOT fit 6-Speed Manual)
- Component Type: Performance Exhaust Extractors / Headers
- Estimated Fitting Time: 2.5 Hours
- Welding Required: No (Direct Bolt-On Configuration)
⚠️ Crucial Component Relocation & Transmission Fitment Warnings:
1. 6-Speed Manual Exclusion: This extractor assembly will STRICTLY NOT FIT models fitted with a 6-speed manual transmission due to severe clearance constraints caused by the wider casing boundaries of that specific manual gearbox configuration.
2. Knock Sensor Relocation Mandate: If your specific vehicle variant features an active engine knock sensor mounted on the driver's side of the cylinder block, it must be physically wire-extended and relocated over to the passenger side engine block boss to gain necessary tube drop clearances.
3. Standard Rack Footprint Note: This product is mapped explicitly for variable speed steering assemblies. For baseline standard power steering or manual steering rack variants, alternative standard part number A314 should be used instead.
Please Note: Professional installation by an exhaust specialist or qualified automotive mechanic is highly recommended to guarantee proper component relocation, clearance mapping, and a perfect leak-free seal.
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 A314V Performance Holden EFI V8 Extractors
| Make | Model | Year Range Spec | Body Type | Chassis Series | Engine Details | Fitting Time | Drivetrain / Fitment Notes |
|---|---|---|---|---|---|---|---|
| Holden | Commodore / Berlina / Calais / SS | 1988 – 1997 | 4-Door Sedan / 5-Door Station Wagon / Utility (VG-VS Ute) | VN / VP / VR / VS Series Only | 5.0L 304ci Fuel-Injected V8 Only | 2.5 Hours | RWD | Mandrel-bent performance bolt-on layout. Tailored explicitly for models optioned with variable-speed racks. Driver-side knock sensor must be relocated to the passenger side engine boss. Does not fit 6-speed manual. |
| Holden | Statesman / Caprice | 1990 – 1999 | Long-Wheelbase (LWB) Luxury Sedan | VQ / VR / VS Series Only | 5.0L 304ci Fuel-Injected V8 Only | 2.5 Hours | RWD | Clears luxury-spec variatronic rack valve components safely. Routes cleanly down past 4-speed automatic oil pans and front subframes. Requires knock sensor relocation if originally fitted on the driver's side block. |
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