Black Mamba 3.5″ (89 mm) to 3″ (76 mm) Decat Downpipes for BMW M5 F90 and M8 F9X S63 engines, engineered for maximum performance and exhaust flow. Constructed from high-grade T304 stainless steel with precision mandrel bends and handmade TIG welds, these downpipes are designed to handle over 1000hp, delivering a substantial 110hp gain on Stage 1 setups.
Direct bolt-on installation
3.5″ (89 mm) primary pipes, tapering to 3″ (76 mm) secondary pipes
Premium T304 stainless steel construction
Handmade TIG-welded joints for superior strength
Proven power gain: 110hp on Stage 1 setups
Complete installation hardware included
Lifetime warranty
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