A direct bolt in for the EVO 8 and 9, the COBB high flow catalytic converter is a replacement for the factory catalytic converter, and will increase hp and torque with the increase in flow. This high flow cat will work with the OEM exhaust as well as any exhaust that would keep the factory catalytic converter. Made of 304 stainless steel with a 3" diameter. This high flow catalytic converter allows you to increase horsepower and torque while keeping your ride street legal.
