3" Turbo Back Exhaust System - Toyota Landcruiser 80 Series 4.2L Diesel HDJ80 1HD-T Factory Turbo (1990-1998) | Outback Exhausts

Premium Turbo Back Exhaust System for Toyota Landcruiser 80 Series
Engineered specifically for the Toyota Landcruiser 80 Series HDJ80 with 4.2L 1HD-T factory turbo diesel engine (1990-1998), this 3-inch turbo back exhaust system delivers superior performance, durability, and reliability for Australian off-road conditions. Note that this system runs outside the chassis.
Key Features & Benefits
- Australian Made Premium Stainless Steel - Built to withstand harsh outback conditions and coastal environments
- 3-Inch Mandrel Bent Construction - Maximizes exhaust flow for improved power, torque, and fuel efficiency
- Turbo Back Design - Complete system from turbo outlet to rear, reducing backpressure and heat
- 5-Year Warranty - Comprehensive coverage for peace of mind
- Direct Bolt-On Fitment - Designed for HDJ80 wagon models with precise OEM mounting points
Performance Improvements
Experience noticeably improved throttle response, reduced exhaust gas temperatures (EGTs), and enhanced engine breathing. The larger 3-inch diameter significantly reduces restriction compared to factory exhaust systems, allowing your 1HD-T turbo diesel engine to perform at its best whether you're towing, touring, or tackling tough terrain.
Built for Australian Conditions
Manufactured right here in Australia using premium-grade 409 stainless steel that resists corrosion from salt, mud, water crossings, and extreme temperature variations. Every weld is precision-crafted to ensure long-lasting durability and performance in the harshest environments.
What's Included
- Complete turbo back exhaust system (turbo outlet to rear)
- All necessary gaskets (except turbo gasket) and hardware
- 5-year manufacturer warranty
Specifications
- Fitment: Toyota Landcruiser 80 Series Wagon HDJ80
- Engine: 4.2L 1HD-T Factory Turbo Diesel
- Years: 1990 - 1998
- Diameter: 3 inch (76mm)
- Material: Premium grade 409 Stainless Steel
- Configuration: Turbo Back
- Weight: 24kg
Frequently Asked Questions
Will Outback exhaust fit my Landcruiser 80 Series?
Outback exhaust is specifically designed for Toyota Landcruiser 80 Series HDJ80 wagon models with the 4.2L 1HD-T factory turbo diesel engine manufactured between 1990 and 1998. It features direct bolt-on fitment using OEM mounting points.
What performance gains can I expect from this exhaust?
You'll experience improved throttle response, reduced exhaust gas temperatures (EGTs), better fuel efficiency, and increased power and torque. The 3-inch diameter significantly reduces backpressure compared to the factory system, allowing your turbo diesel engine to breathe more efficiently and perform optimally.
How difficult is the installation?
This is a direct bolt-on replacement designed for DIY installation with basic hand tools. Most experienced home mechanics can complete the installation in 2-4 hours. Professional installation is also available through exhaust shops nationwide.
What's covered under the 5-year warranty?
Our 5-year warranty covers manufacturing defects, material failures, and workmanship issues under normal operating conditions. This demonstrates our confidence in the quality and durability of our Australian-made exhaust systems.
Will this fit both the factory turbo and aftermarket turbo 80 Series?
This system is specifically designed for the factory turbo 1HD-T engine. If you have an aftermarket turbo setup or a different engine configuration, please check to ensure proper fitment or explore alternative options.
Does the exhaust come with all necessary hardware?
Yes, the system includes all required gaskets (except turbo gasket), and mounting hardware for a complete installation.
Can I use this exhaust for heavy towing and off-road use?
Absolutely. Outback exhaust is engineered for Australian conditions including heavy towing, off-road touring, and extreme environments. The premium stainless steel construction and robust design handle the demands of serious 4x4 use, from beach driving to desert crossings.
How long does shipping take within Australia?
Outback exhaust offer nationwide delivery across Australia. Shipping times vary by location but typically range from 3-7 business days to metro areas. Remote locations may take longer. Freight quotes available for specific delivery requirements.
What's the difference between Turbo back and a cat-back exhaust?
A turbo back exhaust replaces the entire system from the turbo outlet to the rear of the vehicle, providing maximum performance gains by eliminating all restrictions. A cat-back system only replaces components after the catalytic converter, offering more modest improvements. For the 80 Series 1HD-T, the turbo back configuration delivers the best results.
Will this exhaust increase fuel economy?
Many customers report improved fuel efficiency due to reduced backpressure and more efficient engine operation. While results vary based on driving conditions and habits, the improved exhaust flow typically allows the engine to work less hard, potentially improving fuel economy by 5-10% in real-world conditions.








