Invidia Downpipe EVO 8 / 9 Volkswagen The Dual Port BOV for

The Dual Port BOV for the Mazdaspeed3 is four valves in one

Spring Rate (F/R): Prog/230lbs/in

(2012-up) Front: -1

that allows you to directly route excess oil from the turbocharger oil reservoir tank back into the engine

Invidia Downpipe EVO 8 / 9 Volkswagen The Dual Port BOV forThe Invidia 3" stainless steel downpipe for the Mitsubishi Evolution 8 & 9 is designed to bolt up between the stock or Invidia O2 housing and a stock catalytic converter or test pipe. The 3" design allows for excellent flow, while maintaining a proper gasket seal with the stock donut gasket ensuring proper clearance and the ability to move under engine load. The Invidia downpipe for the EVO will mate to most cat delete pipes if you decide to optimize