Walker, with our worldwide OE partnerships and manufacturing facilities, possesses the technical excellence needed to meet today's emissions control needs, while developing solutions for tomorrow's challenges. Walker is a 'one-stop' convenience, offerin Product Features:Used for HEGO connector when oxygen sensor is not requiredProvides secure sealNew accessories help to ensure effective exhaust repairsWalker supplies all of the accessories you need to do the complete exhaust jobWalker offers a full line of pipes and accessories