Advance Headers | Stainless Steel Exhaust Extractors | Holden Commodore VN-VS Statesman VQ-VS 5.0L 304 V8 | A314SS
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Advance Headers | Stainless Steel Exhaust Extractors | Holden Commo...
Description
Description
Advance Headers High-Performance Premium Stainless Steel Exhaust Extractors for HOLDEN 5.0L Fuel-Injected 304 V8 Engines
The Advance Headers Stainless Steel Performance Exhaust Extractors (A314SS) represent the premium, ultra-durable iteration of the classic header assembly for the legendary second-generation Holden 5.0-Litre (304 cubic inch) fuel-injected V8 engine family. Specifically manufactured from high-grade stainless steel to deliver superior structural longevity, outstanding corrosion resistance, and a striking high-end finish, this kit perfectly fits the popular VN to VS Commodore series and VQ to VS Statesman luxury platforms. By completely replacing the highly restrictive factory cast iron manifolds, it dramatically lowers backpressure, optimizes exhaust gas scavenging velocity, and provides an aggressive, crisp V8 tone.
PRODUCT CONTENTS:
- 1 x Premium Stainless Steel Performance Exhaust Extractor Header Set (Left & Right Bank Assembly)
Key Features:
- High-grade stainless steel construction provides maximum defense against under-car atmospheric moisture rust, extreme gas scaling, and harsh environmental oxidation
- Tuned mandrel-bent primary piping pathways map perfectly to high-port symmetrical VN-style EFI cylinder heads, ensuring completely uniform gas flow routing and maximizing engine efficiency
- Substantially optimizes low-to-mid range torque delivery and throttle response—perfect for high-performance street cruisers, heavy towing setups, and customized show cars
- Thick, precision laser-cut cylinder head flanges maintain a flat, ultra-stable mating footprint to permanently guard against face distortion, thermal warping, and exhaust gas leaks
- Engineered as a direct bolt-on replacement path designed to drop down safely past standard K-frames and automatic/manual transmission tunnels cleanly
Specifications:
- Brand: Advance Headers
- Part Number: A314SS
- Material: High-Grade Stainless Steel
- Engine Suitability: Holden 5.0L 304ci EFI Pushrod V8 Petrol Only (Not for early 253/308 blocks)
- Steering Rack Compatibility: Standard Power Steering / Manual Racks Only
- Transmission Limitations: Fits 5-Speed Manual & 4-Speed Automatic (Will NOT fit 6-Speed Manual)
- Component Type: Premium Performance Exhaust Extractors / Headers
- Estimated Fitting Time: 2.5 Hours
- Welding Required: No (Direct Bolt-On Configuration)
⚠️ Crucial Component Restrictions & Modification Warnings:
1. 6-Speed Manual Exclusion: This extractor assembly will STRICTLY NOT FIT models fitted with a 6-speed manual transmission due to substantial clearance constraints caused by the wider casing boundaries of that specific manual gearbox configuration.
2. Variable Speed Steering Rack & Knock Sensor Restrictions: This standard design does NOT clear vehicles running a factory variable-speed/variatronic power steering rack (requires alternative Part No. A314V). Additionally, 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. Cylinder Head Constraint: Mapped explicitly for high-port VN-style fuel-injected heads. It will not fit vintage carburetted 253/308 iron cylinder heads.
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 A314SS Performance Holden Stainless Steel 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 | Premium stainless steel bolt-on upgrade. Fits 4-speed automatic and 5-speed manual gearboxes. Driver-side knock sensors must be relocated to the passenger side. Does not fit 6-speed manual or variable speed racks. |
| 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 | Highly durable premium layout engineered to withstand severe underbody thermal conditions while maintaining perfect clearings around standard power steering systems and structural chassis steps. |
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