Active Autowerke F8X BMW M3 & M4 Equal Length Mid Pipe includes Active F - brace (11-055A) 1839 Load Bolts

Load Bolts

They meet the strictest noise requirements

attractive panel suitable for demanding conditions

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Deatschwerks DW400 Pump Module + Return Kit SS CPE for Chevy Silverado 1500/2500/3500 & GMC Sierra 1500/2500/3500 1999-2004 V8 4

Active Autowerke F8X BMW M3 & M4 Equal Length Mid Pipe includes Active F - brace (11-055A) 1839 Load BoltsActive Autowerke, a leader in BMW performance products for over 41 years, has developed the F8X BMW M3 & M4 Equal Length Mid Pipe with Active F brace (US Patent 11248511, UK and EU patent 3882441) as an innovative solution to the unique sound characteristics of the S55 twin turbo engine. The S55 engine's uneven exhaust pulse spacing, caused by nearly 18 inches difference between the front and rear downpipe lengths, results in a distinctive exhaust