Product Details
Toyota Hilux 4.0 V6 2005–2015 Double Cab DeGraaf Performance Exhaust System
Upgrade your Toyota Hilux 4.0 V6 Double Cab with the DeGraaf Performance Exhaust System, specifically developed for the Hilux 4.0 V6 platform to optimise exhaust efficiency throughout the rev range.
The DeGraaf system is designed to provide a balance between performance, throttle response, exhaust flow and sound, while maintaining a refined exhaust note suitable for everyday driving, touring, towing and off-road use.
DeGraaf highlights potential benefits including improved power and torque, fuel efficiency, throttle response and lower exhaust gas temperatures, with the added benefit of the distinctive DeGraaf exhaust sound.
Key Features
- Designed specifically for Toyota Hilux 4.0 V6 Double Cab
- 2005–2015 application
- DeGraaf Performance Exhaust System
- Silent But Strong configuration
- 57mm mild-steel performance branches
- 57mm stainless-steel front pipes
- 63mm stainless-steel intermediate
- 63mm stainless-steel rear
- 63mm stainless-steel tail pipe
- Optimised exhaust flow
- Improved throttle response
- Potential power and torque improvements
- Potential fuel-efficiency improvements
- Lower exhaust gas temperature potential
- Deeper, stronger DeGraaf V6 exhaust sound
- Suitable for touring, towing and off-road applications
System Includes
- 57mm mild-steel branches – Left & Right
- 57mm stainless-steel front pipes – Left & Right
- 63mm stainless-steel intermediate
- 63mm stainless-steel rear
- 63mm stainless-steel tail pipe
This is the current configuration specified by HJM for the 2005–2015 Hilux 4.0 V6 Double Cab.
Performance-Focused Exhaust Flow
The DeGraaf system is engineered around the Hilux 4.0 V6 exhaust layout to improve the efficiency of exhaust gas flow through the system.
Potential benefits include:
- Improved exhaust flow
- Improved throttle response
- Improved engine breathing
- Potential power and torque gains
- Potential fuel-efficiency improvements
- Lower exhaust gas temperatures
- Improved overall driving response
Actual results will vary depending on the condition of the vehicle, engine, fuel system, ECU calibration, intake system, vehicle load and other modifications.
DeGraaf V6 Sound
The 4.0 V6 has a distinctive engine character, and the DeGraaf system is designed to enhance it.
The Silent But Strong configuration gives the Hilux a deeper and more purposeful exhaust note while avoiding an unnecessarily loud setup.
This makes it particularly suitable for owners who want a performance exhaust that remains comfortable for:
- Daily driving
- Long-distance touring
- Family trips
- Towing
- Overlanding
- Off-road driving
Ideal for Touring & Towing
The Hilux 4.0 V6 Double Cab is often used as an all-round vehicle, combining everyday driving with towing, touring and recreational 4×4 use.
A performance exhaust can complement a Hilux fitted with:
- Bull bars
- Suspension upgrades
- Snorkels
- Canopies
- Drawer systems
- Roof racks
- Long-range fuel tanks
- Recovery equipment
- Larger tyres
- Towing accessories
- Overlanding equipment
DeGraaf specifically highlights lower exhaust gas temperatures as a potential benefit, which can be useful when the vehicle is operating under increased load or towing conditions.
South African Specification Vehicles Only.
This product is specifically listed for the Toyota Hilux 4.0 V6 Double Cab 2005–2015.
Please confirm the following when requesting a quotation or placing an order:
- Vehicle year
- Exact engine specification
- Double Cab configuration
- 4×2 or 4×4
- Existing exhaust configuration
- Existing aftermarket modifications
Important: Do not confuse this system with the separate DeGraaf 4.0 V6 system for the later 2016+ Hilux platform, which uses a different application listing and configuration.
Existing Aftermarket Exhaust & Modifications
If your Hilux already has an aftermarket exhaust system or other performance modifications, please advise HJM Offroad before ordering.
This includes:
- Existing aftermarket exhaust
- Performance branches
- Headers
- Modified catalytic converter
- ECU tuning/remapping
- Intake modifications
- Other exhaust modifications
If your vehicle already has an aftermarket exhaust system, please specify the brand and configuration in the order notes when requesting a quotation or placing your order.
Long-Range & Auxiliary Fuel Tanks
If your Hilux is fitted with an aftermarket long-range fuel tank, auxiliary fuel tank or other underbody accessories, please specify this when requesting a quotation.
Additional underbody equipment may affect:
- Exhaust routing
- Pipe clearance
- Fuel-tank clearance
- Heat clearance
- Suspension clearance
- Tail-pipe positioning
The vehicle should be checked before fitment where additional underbody equipment has been installed.
DeGraaf describes this system as being developed to optimise efficiency throughout the rev range and identifies potential improvements in power, torque, fuel efficiency, throttle response and exhaust gas temperatures.
Actual performance results vary between vehicles. Factors such as engine condition, vehicle modifications, ECU calibration, fuel quality, environmental conditions and vehicle load can affect the results.
No specific power, torque or fuel-consumption increase should therefore be regarded as guaranteed.
Image for illustrative purposes only. Vehicle shown is for display purposes and may not represent the exact product, vehicle specification or final fitment. Actual product appearance and fitment may vary.







