These are the pipes that connect the throttle body to the driver's side end tank on the COBB Front Mount Intercooler Core.
This piping set is available as replacement components for the Black Front Mount Intercooler Kit for 2011-2014 STI or the Silver Front Mount Intercooler Kit for 2011-2014 STI.
2011 Subaru Impreza STi Hatch MT USDM
2011 Subaru Impreza STi Sedan MT USDM
2012 Subaru Impreza STi Hatch MT USDM
2012 Subaru Impreza STi Sedan MT USDM
2013 Subaru Impreza STi Hatch MT USDM
2013 Subaru Impreza STi Sedan MT USDM
2014 Subaru Impreza STi Hatch MT USDM
2014 Subaru Impreza STi Sedan MT USDM