The VRSF aluminum J pipe upgrade for your M3/M4 replaces the weak plastic chargepipe that is prone to failing at and above OEM boost levels. Our aluminum chargepipe features precision CNC billet aluminum flanges and they are finished in powder coated wrinkle black.
Two plugged meth bungs are included for those who are currently using meth or interested in using meth in the future. This kit comes with everything required to replace your OEM plastic J pipe including the retaining clip.