Vauxhall / Opel ASTRA MODELS Astra MK6 - Astra J (2010 - 2015) Rear Exhaust Mount - EXH030BLK EXH030BLK is designed to replace the original rubber bush that can become unbonded from the metal housing/bracket. Fits single or twin-mount brackets. - NOTE: Price is for CAR KIT, NOT per bush… Powerflex price their bushes individually, but we have combined the quantities to make it simple!