The Azure Performance Downpipe is the ultimate upgrade for BMW 40i models equipped with the B58 engine. Engineered to reduce exhaust restriction and maximize flow, this downpipe unleashes substantial gains in both horsepower and torque, transforming your driving experience.
Features
- High-quality T304 stainless steel construction
- Available in Catless or 200 Cell Catted configurations
- Enhanced throttle response and reduced turbo lag
- Optional Azure thermal shielding for superior heat management
- Precision CNC flanges for a direct bolt-on fit
- For off-road/track use only – ECU tuning required
Product Fitment
| Make | Series | Models | Chassis Code | Years | Engine Size |
|---|---|---|---|---|---|
| BMW | 1 Series | M140i | F20 / F21 | 2016-2019 | 3.0L Turbo (B58) |
| BMW | 2 Series | M240i | F22 / F23 / G42 | 2016-2024 | 3.0L Turbo (B58) |
| BMW | 3 Series | 340i / M340i | F30 / F31 / F34 / G20 / G21 | 2015-2024 | 3.0L Turbo (B58) |
| BMW | 4 Series | 440i / M440i | F32 / F33 / F36 / G22 / G23 / G26 | 2016-2024 | 3.0L Turbo (B58) |
| BMW | 5 Series | 540i | G30 / G31 | 2017-2024 | 3.0L Turbo (B58) |
| BMW | 6 Series | 640i | G32 | 2017-2023 | 3.0L Turbo (B58) |
| BMW | X3 | X3 M40i | G01 | 2018-2024 | 3.0L Turbo (B58) |
| BMW | X4 | X4 M40i | G02 | 2018-2024 | 3.0L Turbo (B58) |
Performance Gains
| Specification | Stock (B58 Engine) | With Azure Downpipe & Tuning |
|---|---|---|
| Horsepower | 374 HP | 428 HP (+54 HP) |
| Torque | 500 Nm | 608 Nm (+108 Nm) |
| Power Output | 279 KW | 319 KW (+40 KW) |
*Performance gains require ECU tuning and may vary depending on 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 F2X/F3X/GXX B58 | 40i | Downpipe
Description
The Azure Performance Downpipe is the ultimate upgrade for BMW 40i models equipped with the B58 engine. Engineered to reduce exhaust restriction and maximize flow, this downpipe unleashes substantial gains in both horsepower and torque, transforming your driving experience.
Features
- High-quality T304 stainless steel construction
- Available in Catless or 200 Cell Catted configurations
- Enhanced throttle response and reduced turbo lag
- Optional Azure thermal shielding for superior heat management
- Precision CNC flanges for a direct bolt-on fit
- For off-road/track use only – ECU tuning required
Product Fitment
| Make | Series | Models | Chassis Code | Years | Engine Size |
|---|---|---|---|---|---|
| BMW | 1 Series | M140i | F20 / F21 | 2016-2019 | 3.0L Turbo (B58) |
| BMW | 2 Series | M240i | F22 / F23 / G42 | 2016-2024 | 3.0L Turbo (B58) |
| BMW | 3 Series | 340i / M340i | F30 / F31 / F34 / G20 / G21 | 2015-2024 | 3.0L Turbo (B58) |
| BMW | 4 Series | 440i / M440i | F32 / F33 / F36 / G22 / G23 / G26 | 2016-2024 | 3.0L Turbo (B58) |
| BMW | 5 Series | 540i | G30 / G31 | 2017-2024 | 3.0L Turbo (B58) |
| BMW | 6 Series | 640i | G32 | 2017-2023 | 3.0L Turbo (B58) |
| BMW | X3 | X3 M40i | G01 | 2018-2024 | 3.0L Turbo (B58) |
| BMW | X4 | X4 M40i | G02 | 2018-2024 | 3.0L Turbo (B58) |
Performance Gains
| Specification | Stock (B58 Engine) | With Azure Downpipe & Tuning |
|---|---|---|
| Horsepower | 374 HP | 428 HP (+54 HP) |
| Torque | 500 Nm | 608 Nm (+108 Nm) |
| Power Output | 279 KW | 319 KW (+40 KW) |
*Performance gains require ECU tuning and may vary depending on 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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