Catted Race 300 Cell Stainless Downpipe for Mercedes Benz AMG GT63 W463 5.5T
SHIPPING - RETURNS - WARRANTY - CANCELLATION POLICY
*** Market Conditions after 2020 have changed the landscape of automotive parts. Although we try to stock 1000's of items in our multiple warehouse and use multiple distribution channels, having back-orders are unavoidable in today's market. If you are in need of a product quickly, we suggest email, message, or call us for availability so that we may explore your options.
Email: Sales@Speedzoneweb.com
Call: 407-846-8430
Text: 407-749-6314
Frequently Asked Questions
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
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High‑flow downpipe design for reduced backpressure
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Improved horsepower and torque gains
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Faster turbo spool and enhanced throttle response
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Integrated heatshield for thermal protection
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Premium T304 stainless steel construction
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Mandrel bent tubing for smooth exhaust flow
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Precision welded for durability and proper fitment
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Direct bolt‑on installation
Performance Benefits
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Increased exhaust flow efficiency
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Stronger mid‑range and top‑end performance
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More aggressive AMG exhaust character
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Improved engine responsiveness
Fitment
Mercedes Benz G63 AMG W463
5.5L Twin Turbo V8
Model Years 2013–2019
Our History
For 26 years Speedzone Performance LLC has been providing aftermarket car parts to Central Floridians and 1000's of customers online. What makes us different than all the other places online? We have 3 actual brick and mortar locations where were serve customers daily and find new ways to provide support and assistance to the automotive community at large. From our in house SPDZ1 Brand, to our constantly growing in stock inventory, we strive to make our customer service and ease of purchase stand out from the rest! We are also one of the largest automotive part financing providers anywhere in the United States, and continue to provide more options for our customers every year. We love what we do, and it shows in every product we sell and every new customer who becomes a part of our Speedzone Family.