Advance Headers | Mild Steel Exhaust Extractors | Holden Rodeo Jackaroo 2.6L EFI | A442i
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Advance Headers | Mild Steel Exhaust Extractors | Holden Rodeo Jack...
Description
Description
Advance Headers High-Performance Mild Steel Exhaust Extractors for Holden Rodeo & Jackaroo 2.6L EFI Engines
The Advance Headers Performance Exhaust Extractors (A442i) are heavy-duty tubular manifolds engineered specifically for the popular TF-generation Holden Rodeo utilities and Jackaroo 4WD platforms built between 1988 and 1999. Custom-configured explicitly for the bulletproof 2.6-Litre Electronic Fuel Injection (EFI) 4-cylinder engine, this precision performance upgrade replaces the highly restrictive factory cast iron log manifold. By optimizing exhaust gas scavenging velocity and significantly dropping backpressure, it maximizes low-to-mid range working torque and improves throttle response—essential for hauling, off-roading, and daily work truck duties.
PRODUCT CONTENTS:
- 1 x Heavy-Duty Mild Steel 4-Cylinder Performance EFI Extractor Header Assembly
Key Features:
- Tuned mandrel-bent primary piping pathways ensure completely uniform internal flow geometry, optimizing gas velocity and eliminating heavy factory casting restrictions
- Substantially optimizes low-to-mid range torque delivery—ideal for improving off-road crawling capability, highway overtaking, and commercial utility towing capacity
- Heavy-duty mild steel construction structurally built to handle intense under-bonnet thermal transitions and demanding 4WD operational heat cycles safely
- Thick, precision laser-cut cylinder head flanges maintain a flat, ultra-stable mating footprint to permanently guard against warping, face distortion, and high-pressure exhaust leaks
- Engineered for an exceptionally fast workshop turnaround, featuring an estimated baseline installation window of just 1 hour
Specifications:
- Brand: Advance Headers
- Part Number: A442i
- Material: Mild Steel (Standard Finish)
- Engine Suitability: Holden / Isuzu 2.6L (2559cc) SOHC 4-Cylinder Petrol Engine Only (4ZE1 Block Code)
- Fuel Delivery Layout: Electronic Fuel Injection (EFI)
- Component Type: Performance Exhaust Extractors / Headers
- Estimated Fitting Time: 1 Hour
- Welding Required: No (Direct Bolt-On Configuration to Cylinder Head Face)
⚠️ Crucial Oxygen Sensor Fitment & Installation Compliance Warnings:
1. Oxygen (O2) Sensor Modification Required: This product (Part No. A442i) is designed to suit multiple trim runs of the 2.6L 4ZE1 engine. For vehicle variants equipped with a factory exhaust oxygen sensor, a mounting hole must be marked and carefully drilled into the collector assembly prior to final vehicle fitment to accommodate your standard sensor hardware.
2. Engine Block Restriction: Specifically engineered for the architecture and port patterns of the fuel-injected 2.6L block. It will not cleanly line up with early 2.3L carburetted (4ZD1) engine components or older pre-1984 2.0L blocks.
Please Note: Professional installation by an exhaust specialist or qualified 4WD mechanic is highly recommended to guarantee proper sensor positioning, downstream system alignment, 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 A442i Performance Holden 4-Cylinder Extractors
| Make | Model | Year Range Spec | Body Type | Chassis Configurations | Engine Details | Fitting Time | Drivetrain / Fitment Notes |
|---|---|---|---|---|---|---|---|
| Holden | Rodeo | 1988 – 1999 | Single Cab Utility / Crew Cab / Space Cab Ute | TF Series (All 2.6L Models) | 2.6L 4-Cylinder Petrol (4ZE1 SOHC EFI Engine Only) | 1.0 Hour | 4WD & 2WD | Mandrel-bent performance clearance mapped safely past front torsion suspension pathways, steering columns, and transmission casings. Requires drilling for oxygen sensor models. |
| Holden | Jackaroo | 1988 – 1992 | 3-Door SWB Hardtop / 5-Door LWB Wagon | Late Gen 1 / Early Gen 2 Layouts | 2.6L 4-Cylinder Petrol (4ZE1 SOHC EFI Engine Only) | 1.0 Hour | 4WD Only | Outlets are carefully routed to keep clear of front independent suspension differential structures and transfer boxes cleanly. Pre-fit sensor accommodation check required. |
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