Designed with sophisticated CAD modelling tools to ensure high flow and a perfect fit, making them among the best Downpipes for Mercedes AMG G63 performance applications.
With a range of diameters from 3 to 5.5 inches depending on the application, are replacing the OEM downpipes, Laser-cut brackets to fit onto the OEM-provided mounting points.
Completely assembled and TIG welded with love from experienced hands.
The Perfect Catalytic Converter/Particulate Filter Bypass System to Unleash Performance.
Key Features of BlackBoost Catless Downpipes for Mercedes G63 AMG M177:
Designed to maximise the potential of the M177 platform, BlackBoost Catless Downpipes provide improved exhaust flow, premium construction, and a performance-focused Mercedes AMG G63 Exhaust Upgrade.
Key features include:
- Beautiful Racing Exhaust note
- Huge exhaust flow improvement
- Completely Bypass Primary and secondary Catalytic
- DPF & OPF Converters*
- High Power/Torque Gains depending on mods
- Support power level proven over 1000 WHP
- Reduces back pressure on Turbo applications
- Built entirely in low carbon 304 Stainless Steel
- Mandrel-bent with laser-cut components
- Handmade Tig welded in House
- Bolt-on Plug and Play installation
- Compatible With BlackBoost and other Turbo Upgrades
Not Street Legal. For race use only. Requires a tune.
Frequently Asked Questions
Will Mercedes AMG G63 M177 Downpipes improve turbo response and throttle feel?
Yes. The M177 twin-turbo V8 benefits significantly from reduced exhaust restriction. BlackBoost Downpipes improve exhaust gas flow and help reduce turbo back pressure, allowing the turbos to spool more efficiently for sharper throttle response and a more responsive driving experience.
Why do G63 AMG owners upgrade the downpipes instead of only installing a cat-back exhaust?
The downpipes are positioned directly after the turbochargers, making them one of the most influential components for improving exhaust flow. While a cat-back exhaust changes sound, upgrading the downpipes targets the main restriction point and can deliver greater performance benefits when paired with proper tuning.
Do Mercedes AMG G63 M177 Downpipes require an ECU tune after installation?
A tune is highly recommended after installing catless downpipes. The increased exhaust flow can alter boost characteristics and exhaust sensor readings, while ECU calibration allows the M177 engine to take full advantage of the improved airflow and performance potential.
What makes thermally insulated G63 M177 Downpipes beneficial for high-performance builds?
Thermally insulated downpipes help retain exhaust heat within the system while reducing radiant heat transfer into the engine bay. This helps protect nearby components, maintain lower under-bonnet temperatures, and support more consistent performance during repeated high-load driving.
Can Mercedes AMG G63 M177 Downpipes support upgraded turbo and high-power builds?
Yes. A properly engineered M177 downpipe is designed to handle demanding performance applications, including upgraded turbo systems and aggressive tuning setups. BlackBoost Downpipes feature 304 stainless steel construction, TIG welding, and high-flow design to support serious G63 performance builds.
Will Mercedes AMG G63 Downpipes change the exhaust sound?
Yes. Replacing the factory downpipes can significantly enhance the character of the M177 V8, creating a deeper, more aggressive exhaust note while making turbo and engine sounds more pronounced. The final sound will depend on the existing exhaust system and supporting modifications.
Are BlackBoost G63 M177 Downpipes compatible with OPF-equipped models?
Yes. BlackBoost designs G63 M177 Downpipes specifically for relevant OPF-equipped applications, ensuring proper fitment with OEM mounting points while improving exhaust flow and performance potential.