APEXi® Flange Type Exhaust Control Valve (2" Diameter) (155-A020) 4021 this aftermarket section 1 integrates

this aftermarket section 1 integrates a pair of 100-cell high flow metallic catalysts to filter exhaust gases without sacrificing performance

Once the vehicle stops moving

USFS Approved

5 2010 Subaru Outback Engine: 3

APEXi® Flange Type Exhaust Control Valve (2" Diameter) (155-A020) 4021 this aftermarket section 1 integratesFlange Type Exhaust Control Valve (155 A020) by APEXi. Main Piping Diameter: 2". The ECV was created as an alternative to the standard silencer typically fitted in the tip of performance exhaust systems to lower the sound decibel output. The ECV (Exhaust Control Valve) is a spring loaded butterfly valve that can be installed to the main piping of an existing exhaust system. The angle of the valve can be modified on the fly from within the cockpit to