Azure Performance BMW G0X B58 | X3/X4 / M40i | Downpipe

Azure Performance BMW G0X B58 | X3/X4 / M40i | Downpipe

Q: Are Azure Performance exhausts and downpipes street legal?

Majority of Azure Performance products are designed for motorsport or off-road use only , particularly catless or high-flow catalytic downpipes. Road legality and emissions compliance vary by region, so customers should always check local regulations before purchasing.

Q: Do Azure Performance products require tuning after installation?

Many performance downpipes and exhaust components may require ECU tuning to achieve optimal performance and to avoid fault codes or warning lights, however it is not always required, especially when browsing catted options, or rear section exhaust setups. Requirements vary by vehicle and setup.

SKU: AZUR-BMW-G0X-B58-DP-CL

$687.00

Production & Shipping

Made-to-order item. Production time is typically 1–3 weeks depending on configuration. Once dispatched, shipping takes 3–14 business days worldwide. Tracking provided upon shipment.

Version: Racing Catless

Racing Catless Sports High-Flow Catted (200 Cell)

Heat Shield: No Heat Shield

No Heat Shield With Azure Heat Shield

Quantity:

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.

Azure Performance BMW G0X B58 | X3/X4 / M40i | Downpipe

$687.00

High Quality

Precision-crafted using SS304 stainless steel for exceptional durability, heat resistance, and a flawless finish.

Expert Support

Questions or concerns? Our expert team is ready to assist you every step of the way.

Worldwide Shipping

We ship globally with speed and care. Compatible with both US and European spec vehicles.

Secure Checkout

Encrypted transactions and trusted payment gateways ensure a 100% secure shopping experience.

FAQ

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Are Azure Performance exhausts and downpipes street legal?

Majority of Azure Performance products are designed for motorsport or off-road use only, particularly catless or high-flow catalytic downpipes. Road legality and emissions compliance vary by region, so customers should always check local regulations before purchasing.

How long does production take?

Production times vary by product and demand. Our products typically take 1–3 weeks to manufacture due to the handcrafted construction and quality control processes.

What are the shipping times?

Once products leave our facility, shipping times depend on your location and courier. We will always ship with the quickest courier. All international shipments usually arrive in 3–7 business days, while remote areas can typically take 7–14 business days.

Can I track my order?

Yes — once your order ships, you’ll receive a tracking number via email so you can follow its progress until delivery.

What materials are used in Azure Performance products?

Azure Performance components are manufactured using high-grade materials such as SS304 stainless steel, titanium, and Inconel, depending on the application. These materials are chosen for durability, heat resistance, and long-term performance.

Do Azure Performance products require tuning after installation?

Many performance downpipes and exhaust components may require ECU tuning to achieve optimal performance and to avoid fault codes or warning lights, however it is not always required, especially when browsing catted options, or rear section exhaust setups. Requirements vary by vehicle and setup.

Any other questions?

You can contact us through our contact page! We will be happy to assist you.

Our customer support is available Monday to Friday: 8am-8:30pm.Average answer time: 12-24h