MK3 TT (8S) 2014+

Vibrant J-Style Oxygen Sensor Restrictor Fitting with Adjustable Gas Flow Inserts

An effective tool to help avoid Check Engine Lights. Pulls the Oxygen Sensor further away from the exhaust gas stream. 3 interchangable "jets" allow for choice of exhaust gas exposure. Getting rid of a CEL can be more art than science... by causing less...