




Azure Performance Mercedes Benz GL/GLE/ML Class | W166/C292 | GL 63 / GLE63 / GLE500 / GLE550 / ML 63 / ML500 AMG | Downpipes
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.
The Azure Performance Downpipes for the Mercedes-Benz GL63, GLE63, and ML63 AMG are precision-engineered to maximise the potential of the M157 5.5L BiTurbo V8. Designed to drastically reduce backpressure and improve turbocharger response, these downpipes deliver exceptional performance gains when paired with ECU tuning—perfect for enthusiasts seeking real-world power and driveability improvements.
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 |
|---|---|---|---|---|
| Mercedes-Benz | GL63 AMG | W166 | 2013–2015 | 5.5L V8 BiTurbo (M157) |
| Mercedes-Benz | ML63 AMG | W166 | 2012–2015 | 5.5L V8 BiTurbo (M157) |
| Mercedes-Benz | GLE63 AMG | C292 | 2015–2019 | 5.5L V8 BiTurbo (M157) |
| Mercedes-Benz | GLE500 / GLE550 | C292 | 2015–2019 | 4.7L V8 BiTurbo (M278) |
| Mercedes-Benz | ML500 | W166 | 2011–2015 | 4.7L V8 BiTurbo (M278) |
Performance Gains
| Specification | Stock (M157 Engine) | With Azure Downpipes & Tuning |
|---|---|---|
| Horsepower | 585 HP | 663 HP (+78 HP) |
| Torque | 760 Nm | 1003 Nm (+243 Nm) |
| Power Output | 436 KW | 494 KW (+58 KW) |
*Performance gains are based on proper ECU tuning and supporting modifications.


