SLN 4" BMW S58 M3 G80 M4 G82 X3M X4M LCI Non-Resonated Stainless Steel Single Mid Pipe with Under-Brace Performance_Suspension With increased boost pressure the

With increased boost pressure the N55's cheap standard plastic pipework can be prone to splitting or cracking - it's more a question of 'if' than 'when' you'll experience boost leaks

Supplied complete with M14 bolt

2011-2018 F06/F12/F13 640i

PCD: 5x120

TORQUE: +20

SLN 4" BMW S58 M3 G80 M4 G82 X3M X4M LCI Non-Resonated Stainless Steel Single Mid Pipe with Under-Brace Performance_Suspension With increased boost pressure theWe are particularly proud of our unique G8X single midpipe, which was specifically designed to eliminate the highly restrictive nature of the OEM mid pipes thus creating optimal exhaust flow and drastically improving performance. The single mid pipe design also reduces the characteristically raspy noise from the S58, due to its unequal length exhaust design. The result is a far more aggressive exhaust note with more base. Avoid cheap imitations! SLN