Black Mamba BMW M5 F10 / M6 F1x Decat Downpipes

The Black Mamba 3.5" (89mm) decat downpipes are a direct-fit upgrade for the S63 engines found in the BMW M5 F10 and M6 F1X, replacing the restrictive OEM catalytic converters for maximum performance. Precision-engineered from high-grade T304 stainless steel with handcrafted TIG welds, these downpipes enhance exhaust flow, delivering an aggressive exhaust note and an average gain of 28hp on a Stage 1-tuned engine. With a high-flow design capable of supporting over 1000hp, they provide unbeatable value for performance enthusiasts. Direct bolt-on installation 2-piece kit for seamless fitment 100% T304 stainless steel construction 3.5" (89mm) mandrel-bent piping Proven 28hp increase on Stage 1-tuned setups Aggressive sound enhancement Expertly TIG-welded for durability Installation hardware included Lifetime warranty