Astra Mk4 G Van 1.7 Cdti Hoffmann Performance Race Exhaust System - Single 3. Full system including decat section. The item "Astra Mk4 G Van 1.7 Cdti Hoffmann Performance Race Exhaust System Single 3" is in sale since Sunday, July 21, 2019.This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Performance Exhaust\Other Performance Exhausts". The seller is "diamondwhite77" and is located in Southend-on-Sea. This item can't be shipped, the buyer must pick up the item.