Alpha Competition Decat Downpipes Mercedes C63 AMG W205

Alpha Competition decat downpipe kit designed for Mercedes C63 AMG and C63 S AMG W205 models equipped with the M177 4.0 V8 Bi-Turbo engine.

Manufactured from high-quality T304 stainless steel, these high-flow decat downpipes feature a 90 mm (3.5") diameter and a catless design to reduce exhaust backpressure, improve exhaust gas flow and enhance turbocharger response.

The kit features handmade TIG welds and provides a measured power gain of up to 27 hp compared to the OEM downpipes. Suitable for high-performance applications, offering a more aggressive exhaust sound and improved engine performance.

The kit includes 2 stainless steel downpipes and all necessary installation hardware. Direct-fit installation requires no modifications. This version is supplied without heat shields. Lifetime warranty included.

Brand: Alpha Competition
Reference: AC-W205-DP
Engine: M177 4.0 V8 Bi-Turbo
Material: T304 Stainless Steel
Diameter: 90 mm (3.5")
Catalytic Converter: None (Decat)
Option: Without Heat Shields
Kit Contents: 2 Downpipes + Installation Hardware

Compatible models:
Mercedes C63 AMG W205 2015–2021 – 4.0 V8 Bi-Turbo 476 hp
Mercedes C63 S AMG W205 2015–2021 – 4.0 V8 Bi-Turbo 510 hp

Note: Decat downpipes are intended for motorsport/off-road applications. Not suitable for public road use where catalytic converters are mandatory.