3.5" Turbo Back Exhaust System - Mazda BT50 3.0L 4JJ3 (2020-On) | Outback Exhausts

Premium 3.5'' Turbo Back Exhaust for MAZDA BT50 3.0L 4JJ3 ENGINE, 2021 ONWARDS
Australian-made stainless steel exhaust system engineered specifically for the Mazda BT50 3.0L 4JJ3-TCX (October 2020 onwards). Experience improved performance, enhanced sound, and superior durability for your 4x4.
- Note that this systems is intended for OFF road use only.
- ECU tuning will be required after installation
Key Features & Benefits
- 3.5'' mandrel-bent tubing - Maximum exhaust flow for improved power and torque
- Turbo back design - Complete system replacement from turbo to tailpipe
- Premium 409 stainless steel construction - Superior corrosion resistance for Australian conditions
- Australian engineered and manufactured - Built tough for outback adventures
- 5-year warranty - Backed by our confidence in quality craftsmanship
- Improved fuel efficiency - Reduced back pressure means better economy
- Enhanced engine note - Deep, aggressive 4x4 sound without drone
Technical Specifications
- Vehicle: Mazda BT50 3.0L 4JJ3 (10/2020 onwards)
- Pipe Diameter: 3.5 inches (89mm)
- Configuration: Turbo back system
- Material: 409 stainless steel
- Weight: 24kg
- Warranty: 5 years
What's Included
Complete turbo back exhaust system with all necessary gaskets (excluding turbo gasket), and mounting hardware for professional installation.
Why Choose Outback Exhausts?
Every Outback Exhaust is precision-engineered in Australia for Australian conditions. We understand the demands placed on 4x4 exhaust systems - from corrugated outback tracks to coastal salt spray. Our mandrel-bent construction ensures smooth exhaust flow, while premium stainless steel guarantees longevity.
Installation
Professional installation recommended. Fits Mazda BT50 3.0L 4JJ3 models from October 2020 onwards. Direct bolt-on replacement for factory exhaust system.
Frequently Asked Questions
Q: Will the outback exhaust improve my BT50's performance?
A: Yes, the 3.5'' turbo back design reduces exhaust back pressure, resulting in improved power delivery, torque, and fuel efficiency.
Q: Is the outback exhaust loud?
A: The system provides a deeper, more aggressive tone than stock without excessive cabin drone during highway cruising.
DISCLAIMER:
This product is intended strictly for off-road racing, ADF or mining vehicles, overseas models exempt from Australian Design Rules (ADR), or vehicles with valid Primary Producer exemptions [1, 2].
Installing this product renders the vehicle non-compliant with ADR standards; consequently, it cannot be legally operated on or off-road in Australia unless a specific exemption applies [1, 3]. It is the owner's responsibility to verify regulatory compliance and determine how this modification impacts the vehicle’s warranty and insurance coverage [2, 3].
- Australian Design Rules (ADR)
- Department of Infrastructure: Vehicle Exemptions
- Product Liability and Safety Compliance








