Description Introducing the CTS TURBO F20/F30 Charge Pipe Set for RWD Models (335i/435i). The OEM charge pipes are prone to failure at STOCK boost levels. The CTS Charge Pipe Kit offers peace of mind, more power, and OE fitment. Precision CNC machined MAP sensor flange, mandrel-bent aluminum piping. You’ll notice an increase in throttle response and a decrease in turbo lag. Product Details Retains factory style o-ring throttle body lock flange T6061 Mandrel Bent Aluminium Pipe Robust Black Powdercoated Finish 4 ply silicon connector Stainless Steel Clamps Laser etched CTS Turbo Logo 1 x 1/8′′ NPT Water Methanol Bung See: Installation Guide.