Synapse (SB001A.KIT001BK) Blow-Off Valve Pipe Kit with Black Charge Pipe for BMW 335 The Synapse Engineering Charge Pipe kit is designed to eliminate unnecessary air flow restrictions before the throttle body The light weight 6061 aluminum mandrel bent charge pipe provides a secure mount for the OE Intake Air Temperature sensor This Synchronic Bov Charge Pipe kit is a "plug and play" kit that mates with all factory equipped components Patented Synchronic actuator design in Bov for unmatched fast actuation