Honda Acura Block Plug Adapter Breather Fitting 10AN Catchcan B Series B16 B18 Harnesses & Connectors 2011 Subaru Impreza WRX STI

2011 Subaru Impreza WRX STI Limited Hatchback

All of the necessary components and detailed instructions are included and everything is designed to make installation as simple as possible

Our MadDog Performance diverter blow-off spacer/plate will help your engine breathe easier during shifts by redirecting and venting excess boost from the stock bypass valve to the open atmosphere

SCIROCCO R AND OTHER 2

Honda Acura Block Plug Adapter Breather Fitting 10AN Catchcan B Series B16 B18 Harnesses & Connectors 2011 Subaru Impreza WRX STIHonda Acura Block Plug Adapter Breather Fitting 10AN Catchcan B Series B18 B16 Honda B Series to 10AN Block Plug Adapter will work for any b series motor which has the black box on the back of the block. It just gives you another port to hook up a catch can. This fitting will come in real handy for those who only want to use one port on the back of the block. You don't have to take off the stock 28mm plug on the back of the block, which can be tough