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








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