GAIN Catless Downpipes with Heat Shield – Mercedes-Benz C63 AMG (W205, M177, 2015+)

Unleash the true sound and power of your M177-powered C63 AMG.
The GAIN Catless Downpipes with Integrated Heat Shields are engineered for performance enthusiasts seeking maximum horsepower gains, sharper turbo response, and an aggressive exhaust note.

Crafted from high-grade stainless steel and TIG-welded for durability, these downpipes eliminate factory restrictions, allowing your 4.0L BiTurbo V8 to breathe freely. Integrated thermal heat shielding minimizes engine bay temps and preserves surrounding components under intense driving conditions.

Whether you're chasing track times or simply upgrading for daily performance, GAIN delivers the perfect balance of function, form, and fury.