Stainless steel downpipe decat kit for Mercedes GLC 63 AMG models with M177 engines, designed to replace both the primary and secondary catalytic converters. The 76 mm diameter significantly improves exhaust gas flow and maximizes performance potential. Supplied as a complete left and right set with multiple lambda probe connections.
Advantages
• Replaces primary and secondary catalyst
• Significantly improved exhaust gas flow
• More performance potential
• Complete left + right set
• Equipped with multiple lambda probe connections
Technical specifications
• Type: Downpipe decat
• Material: Stainless steel
• Diameter: 76 mm
• Configuration: left + right
• Number of parts: 4-piece set
• Lambda probe connections: 2 per section
• Mounting: bolt-on
Compatibility
• Mercedes GLC 63 AMG X253
• Mercedes GLC 63 AMG Coupe C253
• Engine: M177
Contents
• Stainless steel downpipe decat set left + right (4 parts)
Frequently Asked Questions
Which catalysts are being replaced?
This kit replaces both the primary and secondary catalytic converter.
Is this set street legal?
No, a decat downpipe is generally not street legal and intended for track or off-road use.
Is ECU tuning necessary?
Yes, an ECU modification is highly recommended to prevent error codes and achieve maximum results.