Description
Upgrade exhaust flow while retaining catalytic function on your Mercedes Benz AMG GT63 or GT63S X290 4.0T with the STRATEC High Flow 300 Cell Catted T304 Stainless Downpipe, engineered for stronger performance gains and refined race sound.
Constructed from premium T304 stainless steel, this downpipe features a 300 cell high‑flow catalytic converter designed to significantly reduce backpressure compared to the factory unit while maintaining emissions hardware. The result is faster turbo response, improved mid‑range power, and a sharper AMG exhaust character.
Designed as a direct bolt‑on upgrade, this downpipe installs to factory mounting points for clean fitment and reliable sealing.
Performance Benefits
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300 cell high flow catalytic converter
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Reduced backpressure for quicker turbo spool
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Stronger mid‑range and top‑end performance
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Mandrel bent T304 stainless tubing
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Precision TIG welded construction
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Direct bolt on installation
Fitment
Mercedes Benz AMG GT63 X290
Mercedes Benz AMG GT63S X290
4.0T Twin Turbo V8
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