Black Mamba 3.5″ (89 mm) Decat Downpipes for BMW M5 F10 and M6 F1X S63 engines, engineered for maximum performance and exhaust flow by eliminating the restrictive OEM catalytic converters. This 2-piece kit is crafted from premium T304 stainless steel with mandrel-bent piping and expertly TIG-welded joints, delivering a noticeable power gain of 28hp on Stage 1-tuned engines and an aggressive exhaust note. Capable of supporting over 1000hp, it’s the ideal upgrade for serious performance enthusiasts.
Direct bolt-on installation
2-piece kit for optimal fitment
100% T304 stainless steel construction
3.5″ (89 mm) mandrel-bent piping
Proven power gain: 28hp on Stage 1 setups
Aggressive exhaust tone
TIG-welded for superior strength and durability
Complete installation hardware included
Lifetime warranty
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