




The Azure Performance BMW G0X B58 | X3 / X4 M40i | Downpipe is engineered to optimize flow from the potent B58 engine. Designed to reduce backpressure and increase power, this downpipe delivers sharper response, more torque, and a deeper, sportier exhaust note—especially when paired with ECU tuning.
Features
- Constructed from high-grade SS304 stainless steel for durability and corrosion resistance.
- Available in Catless or 200 Cell Catted configurations.
- Optional Azure Heat Shield for superior thermal protection.
- Professional sand-blasted finish for an OEM+ appearance.
- Direct bolt-on replacement with no cutting or welding required.
- Optimised for reduced turbo lag and improved turbo spool.
- Designed for track use only; ECU tuning recommended for peak performance.
Product Fitment
| Make | Model | Chassis Code | Years | Engine Size |
|---|---|---|---|---|
| BMW | X3 M40i | G01 | 2018–2024 | 3.0L Turbocharged I6 (B58) |
| BMW | X4 M40i | G02 | 2018–2024 | 3.0L Turbocharged I6 (B58) |
Performance Gains
| Specification | Stock (B58 Engine) | With Azure Downpipe & Tuning |
|---|---|---|
| Horsepower | 360 HP | 423 HP (+63 HP) |
| Torque | 500 Nm | 623 Nm (+123 Nm) |
| Power Output | 268 KW | 315 KW (+47 KW) |
*Performance gains are based on proper ECU tuning and supporting modifications.
About Azure Performance
Azure Performance is a performance-driven brand specializing in premium exhaust systems and downpipes for modern high-performance vehicles. Built on precision engineering and real-world testing, Azure Performance is focused on delivering noticeable gains in power, response, and sound.
Every system is carefully designed and manufactured using high-grade materials such as SS304 stainless steel, titanium, and Inconel, ensuring exceptional durability and thermal performance. By optimizing exhaust flow and reducing backpressure, Azure Performance upgrades improve drivability while unlocking stronger, more consistent performance.
Designed for enthusiasts who want more than peak numbers.
- Improved flow for sharper throttle response
- Refined sound with a more aggressive tone
- Premium craftsmanship with high-quality materials and finishing
- Balanced gains across the RPM range
Azure Performance continues to set a higher standard in exhaust engineering by combining performance-focused design, premium materials, and uncompromising build quality—created for drivers who want a true upgrade every time they press the throttle.
Azure Performance BMW G0X B58 | X3/X4 / M40i | Downpipe
Description
The Azure Performance BMW G0X B58 | X3 / X4 M40i | Downpipe is engineered to optimize flow from the potent B58 engine. Designed to reduce backpressure and increase power, this downpipe delivers sharper response, more torque, and a deeper, sportier exhaust note—especially when paired with ECU tuning.
Features
- Constructed from high-grade SS304 stainless steel for durability and corrosion resistance.
- Available in Catless or 200 Cell Catted configurations.
- Optional Azure Heat Shield for superior thermal protection.
- Professional sand-blasted finish for an OEM+ appearance.
- Direct bolt-on replacement with no cutting or welding required.
- Optimised for reduced turbo lag and improved turbo spool.
- Designed for track use only; ECU tuning recommended for peak performance.
Product Fitment
| Make | Model | Chassis Code | Years | Engine Size |
|---|---|---|---|---|
| BMW | X3 M40i | G01 | 2018–2024 | 3.0L Turbocharged I6 (B58) |
| BMW | X4 M40i | G02 | 2018–2024 | 3.0L Turbocharged I6 (B58) |
Performance Gains
| Specification | Stock (B58 Engine) | With Azure Downpipe & Tuning |
|---|---|---|
| Horsepower | 360 HP | 423 HP (+63 HP) |
| Torque | 500 Nm | 623 Nm (+123 Nm) |
| Power Output | 268 KW | 315 KW (+47 KW) |
*Performance gains are based on proper ECU tuning and supporting modifications.
About Azure Performance
About Azure Performance
Azure Performance is a performance-driven brand specializing in premium exhaust systems and downpipes for modern high-performance vehicles. Built on precision engineering and real-world testing, Azure Performance is focused on delivering noticeable gains in power, response, and sound.
Every system is carefully designed and manufactured using high-grade materials such as SS304 stainless steel, titanium, and Inconel, ensuring exceptional durability and thermal performance. By optimizing exhaust flow and reducing backpressure, Azure Performance upgrades improve drivability while unlocking stronger, more consistent performance.
Designed for enthusiasts who want more than peak numbers.
- Improved flow for sharper throttle response
- Refined sound with a more aggressive tone
- Premium craftsmanship with high-quality materials and finishing
- Balanced gains across the RPM range
Azure Performance continues to set a higher standard in exhaust engineering by combining performance-focused design, premium materials, and uncompromising build quality—created for drivers who want a true upgrade every time they press the throttle.
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