Mercedes-AMG C63 / C63 S W205 M177 4.0TT 3 inch Stainless Competition Downpipes with Heat Shield

Product Overview

These competition series downpipes for the Mercedes-AMG C63 and C63 S (W205) with the M177 4.0TT V8 feature 3 inch stainless steel construction, a 1.5 mm wall and a mirror polished finish, and include heat shields according to the title. The competition (no cat) design replaces the factory converter-equipped downpipes for motorsport use, while the heat shields help protect nearby components from radiant heat.

Key Features and Benefits

• Heat shields included, per the title
• 3 inch stainless steel downpipes
• 1.5 mm wall thickness
• Mirror polished finish
• Competition configuration, no catalytic converter

Vehicle Compatibility

The supplier lists fitment for 2015+ Mercedes-AMG C63 and C63 S with the M177 engine, and a year field of 2020 onwards. This fitment is supplier-stated and has not been independently verified. Facelift and pre-facelift models may differ, so please confirm compatibility with us before ordering.

Product Specifications

• Product type: downpipes with heat shield
• Diameter: 3 inch
• Material: stainless steel
• Thickness: 1.5 mm
• Finish: mirror polished
• Configuration: competition, no cat
• Package size: 68 x 65 x 20 cm; gross weight approx. 9.8 kg

Installation and Usage

Installation should be carried out by a specialist workshop experienced with AMG twin-turbo V8 engines. ECU calibration is required when catalytic converters are removed. Fit the heat shields as intended, check oxygen sensor connections and flange seals, and recheck fasteners once the system has been heat cycled.

Package Contents

The listing implies downpipes with heat shields as pictured. Gaskets, studs and sensor fittings have not been confirmed by the supplier.

Important Fitment Notice

Please send us your VIN before ordering so we can help confirm fitment. Catless downpipes are for off-road and motorsport use only. Removing catalytic converters from a road vehicle in New Zealand may breach emissions rules and cause a WoF failure; the owner is responsible for compliance. Images are for reference only. Our team can help confirm fitment.