Product Details
Toyota Land Cruiser 79 Series 4.2D (1HZ) 2009–2023 Single/Double Cab Viper Exhaust System
Upgrade your Toyota Land Cruiser 79 Series 4.2D (1HZ) Single Cab with a Viper Performance Exhaust System, designed to optimise exhaust gas flow, reduce restriction and enhance the driving experience of this legendary naturally aspirated diesel engine.
The Viper system is vehicle-specific for the Land Cruiser 79 Series 4.2D 1HZ Single Cab and is an ideal upgrade for workhorses, touring vehicles, farm vehicles and off-road builds.
Key Features
- Viper Performance Exhaust System
- Designed for Toyota Land Cruiser 79 Series 4.2D
- 1HZ naturally aspirated diesel engine
- Single Cab application
- 2009–2023 vehicle application
- Designed to optimise exhaust gas flow
- Reduced exhaust restriction
- Improved engine response
- Enhanced exhaust sound
- Performance-focused exhaust design
- Precision-engineered vehicle-specific fitment
- Suitable for touring, towing, work and off-road applications
- Viper Performance Exhaust craftsmanship
Viper describes its exhaust systems as being engineered around improved exhaust gas flow, precision fabrication and vehicle-specific fitment.
Performance-Focused Exhaust Design
The 4.2D 1HZ is a naturally aspirated diesel engine, making efficient exhaust flow particularly important when improving the overall breathing characteristics of the engine.
The Viper system is designed to reduce unnecessary restriction and improve the movement of exhaust gases through the exhaust system.
Potential benefits can include:
- Improved throttle response
- Improved engine response
- Better exhaust flow
- Reduced restriction
- Enhanced exhaust note
- Improved drivability
Actual performance results will vary depending on the condition of the engine, intake system, fuel system, exhaust configuration, vehicle weight and other modifications.
Enhanced 1HZ Sound
Give your Land Cruiser 79 4.2D a deeper and more purposeful exhaust note with a Viper performance exhaust.
The system is suited to owners who want to enhance the character of the 1HZ while maintaining a practical exhaust setup for everyday driving, touring and demanding off-road use.
Viper offers different silencer and sound configurations across its exhaust range, allowing systems to be selected according to the desired sound level.
Built for the Land Cruiser 79
The Land Cruiser 79 Series 4.2D 1HZ is widely used for demanding applications where durability and reliability are essential.
This Viper exhaust system is ideal for vehicles used for:
- 4×4 Touring
- Overlanding
- Safari
- Farm & Agricultural Use
- Work & Utility
- Towing
- Long-Distance Travel
- Gravel Roads
- Remote-Area Travel
- Off-Road Adventures
- Expedition Builds
- Custom Land Cruiser Builds
IMPORTANT – Existing Aftermarket Exhaust
If your vehicle already has an aftermarket exhaust, modified exhaust system, custom exhaust components or other exhaust modifications fitted, please specify this in the order notes when requesting a quotation.
Existing aftermarket components may affect:
- Exhaust routing
- Mounting points
- Clearance
- Required components
- Installation time
- Final fitment
Fitment must be confirmed before ordering where an aftermarket exhaust or modified exhaust system is already installed.
IMPORTANT – Long-Range & Auxiliary Fuel Tanks
If your Land Cruiser 79 is fitted with an aftermarket long-range fuel tank, auxiliary fuel tank or replacement fuel tank, please specify this when requesting a quotation.
Additional tanks can change the available space underneath the vehicle and may affect exhaust routing and clearance.
The fuel tank is NOT included with this exhaust system.
Please provide:
- Tank brand
- Tank model, if known
- Mid-mount or rear-mount configuration
- Photos of the existing tank installation where required
Existing Aftermarket Tank
If an aftermarket tank is already fitted, please specify the tank brand and mounting position in the order notes.
Where the tank changes the available exhaust clearance, fitment must be confirmed before the exhaust is ordered.
Other Underbody Modifications
Please advise us if the vehicle has any:
- Aftermarket fuel tank
- Auxiliary fuel tank
- Aftermarket exhaust
- Modified exhaust
- Underbody protection
- Custom chassis modifications
- Aftermarket suspension
- Other underbody accessories
This allows compatibility and clearance to be checked before the order is processed.
Performance exhaust modifications can alter the vehicle’s sound and performance characteristics.
Actual results will vary depending on:
- Engine condition
- Fuel system
- Intake system
- Vehicle weight
- Tyres and gearing
- Existing modifications
- Exhaust configuration
- Driving conditions
South African Specification Vehicles Only, unless otherwise confirmed in writing.
Please provide accurate vehicle information when requesting a quotation to ensure the correct exhaust configuration is supplied.
Price excludes fitment and/or courier. Prices are subject to change without prior notice.
Image for illustrative purposes only. Images are for display purposes and may include optional accessories that are sold separately. Actual product appearance, vehicle specification and final installed configuration may vary.





