MMX Performance S55 Chargepipe Kit - F8X M2C/ M3/ M4The MMR High Flow Charge Pipe Kit will improve the performance, reliability, and aesthetics of your S55 powered M2 competition, M3, or M4. With increased boost pressure, the standard pipework is prone to splitting or cracking the MMR aluminum replacements ensure reliability, even at significantly increased power outputs. With increased boost pressure, the S55's cheap standard plastic pipework can be prone to splitting or cracking it's more of a