Advance Headers | Mild Steel Exhaust Extractors | Toyota Landcruiser 100 105 Series 1HZ 4.2L Diesel | A285
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Advance Headers | Mild Steel Exhaust Extractors | Toyota Landcruise...
Description
Description
Advance Headers High-Performance Mild Steel Exhaust Extractors for TOYOTA Landcruiser 100 & 105 Series 4.2L 1HZ Diesel Engines
The Advance Headers Performance Exhaust Extractors (A285) are precision-engineered for the iconic Toyota Landcruiser 100 and 105 Series wagon platforms powered by the legendary 4.2-Litre naturally aspirated 1HZ inline-6 diesel engine. Specifically mapped to accommodate the unique chassis profiles of both the independent front suspension (100 Series) and live solid axle (105 Series) configurations, this heavy-duty tubular header upgrade replaces your highly restrictive factory cast iron log manifold to maximize exhaust scavenging velocity, lower engine operating temperatures, and unlock vital low-to-mid range torque.
PRODUCT CONTENTS:
- 1 x Heavy-Duty Mild Steel Performance Exhaust Extractor Header Assembly (Standard Finish)
- 1 x Integrated High-Flow Stainless Steel Flex Joint Mesh (Pre-Welded into the Outlet Pipeline)
Key Features:
- Equipped with an integrated heavy-duty flex joint to isolate engine rocking, preventing exhaust system fatigue and structural cracking on harsh outback corrugated tracks
- Tuned mandrel-bent primary piping pathways ensure completely uniform gas flow routing, eliminating the severe restrictions and localized heat traps inherent to original cast factory manifolds
- Substantially optimizes low-end torque delivery and mid-range pulling power—critical for heavy outback touring, towing, and rugged technical 4WD work
- Heavy-duty mild steel construction structurally built to withstand intense diesel vibrations, high thermal loads, and punishing off-road conditions safely
- Thick, precision laser-cut cylinder head flanges maintain flush mating boundaries to guard permanently against face distortion and high-pressure gas leaks
Specifications:
- Brand: Advance Headers
- Part Number: A285
- Material: Mild Steel (Standard Finish)
- Engine Suitability: Toyota 4.2L 1HZ SOHC Inline-6 Diesel Only (Naturally Aspirated Only)
- Drivetrain Profile: 4WD (Four-Wheel Drive) Models
- Component Type: Performance Exhaust Extractors / Headers
- Estimated Fitting Time: 1.5 Hours
- Welding Required: No (Direct Bolt-On Configuration)
⚠️ Crucial EGR Emissions System & Induction Fitment Warnings:
1. EGR Emissions System Limit: This standard configuration (Part No. A285) does NOT feature integrated Exhaust Gas Recirculation (EGR) fitting points. If your specific Landcruiser 100/105 variant runs an active factory emission system requiring header pipe return ports, you must purchase alternative part number A285E instead.
2. Forced Induction Constraint: This product is engineered strictly for naturally aspirated 1HZ engines. It will not align with factory turbo-diesel configurations (such as the 1HD-FTE engines found in HDJ100 models) due to entirely different exhaust port spacings and turbocharger housing positions.
Please Note: Professional installation by an exhaust specialist or qualified 4WD mechanic is highly recommended to guarantee proper 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 A285 Performance Landcruiser 1HZ Extractors
| Make | Model | Year Range Spec | Body Type | Chassis Series | Engine Details | Fitting Time | Drivetrain / Fitment Notes |
|---|---|---|---|---|---|---|---|
| Toyota | Landcruiser (100 / 105 Series) | 1998 – 2007 | 4-Door SUV Wagon (Standard / RV / GXL) | HZJ105 (Solid Axle) / HZJ100 (IFS Variants) | 4.2L Inline-6 Diesel (1HZ Naturally Aspirated) | 1.5 Hours | 4WD | Precision direct bolt-on layout path. Specially profiled to clear either front independent suspension components or solid axle tracking links cleanly. Note: Models equipped with an active factory EGR line require A285E. |
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