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...
Replace your inefficient factory front mounted intercooler with the VRSF Competition HD intercooler upgrade kit to get the most performance and reliability out of your M2C, M3 & M4 with the S55 engine. We...