Black Mamba 5″ (130 mm) to 3.15″ (80 mm) Decat Downpipes for Audi RS6 C8 and RS7 C8 4.0 TFSI, expertly crafted from T304 stainless steel with handmade TIG welds for optimal durability and exhaust flow. This direct bolt-on upgrade eliminates the restrictive OEM catalytic converters, delivering a proven 49hp gain on Stage 1 setups while producing an aggressive exhaust note. Optional heat shielding is available to minimize engine bay temperatures.

Direct bolt-on installation

High-quality T304 stainless steel construction

5″ (130 mm) primary pipes tapering to 3.15″ (80 mm) for OEM fitment

Proven power gain: 49hp on Stage 1 setups

Handmade TIG-welded joints for maximum durability

Optional thermal insulation for heat management

Installation hardware included

Lifetime warranty

ECU tune required