Vauxhall Astra J Gtc Vxr Standard Exhaust System Centre Middle Rear Back Box. Removed from a 2014 astra j vxr, collection from sheffield... The item "Vauxhall Astra J Gtc Vxr Standard Exhaust System Centre Middle Rear Back Box" is in sale since Tuesday, November 9, 2021.This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Performance Exhaust\Other Performance Exhausts". The seller is "vauxhall-bitz" and is located in sheffield, South Yorkshire. This item can't be shipped, the buyer must pick up the item.