Catted Race 300 Cell Stainless Downpipe for Mercedes Benz AMG GT63 W463 5.5T

Upgrade the performance and efficiency of your Mercedes Benz G63 AMG W463 2013–2019 with the STRATEC High Flow T304 Stainless Downpipe with Integrated Heatshield, engineered to optimize exhaust flow and enhance overall engine response.

Designed specifically for the G63 AMG 5.5L Twin Turbo platform, this high‑flow downpipe reduces backpressure, improves turbo efficiency, and increases horsepower and torque. The result is sharper throttle response, stronger mid‑range acceleration, and a deeper, more aggressive exhaust tone.

The integrated heatshield protects surrounding engine components from excessive exhaust heat, ensuring long‑term durability and consistent performance under demanding driving conditions.

Key Features

• High‑flow downpipe design for reduced backpressure

• Improved horsepower and torque gains

• Faster turbo spool and enhanced throttle response

• Integrated heatshield for thermal protection

• Premium T304 stainless steel construction

• Mandrel bent tubing for smooth exhaust flow

• Precision welded for durability and proper fitment

• Direct bolt‑on installation

Performance Benefits

• Increased exhaust flow efficiency

• Stronger mid‑range and top‑end performance

• More aggressive AMG exhaust character

• Improved engine responsiveness

Fitment

Mercedes Benz G63 AMG W463
5.5L Twin Turbo V8
Model Years 2013–2019