This centre &tailpipe deletes the silencer altogether so expect a deeper more hollow exhaust note. A performance improvement is also achieved by improving the flow through the system. NOTE: THE IMAGE SHOWS THE ACTUAL ASTRA J 1.7 CDTi RACE TUBE TAILPIPE. If you're fitting this exhaust to an Astra which doesn't have an oval tailpipe tip as standard equipment, then you may have to trim the rear bumper, or source a longer mounting rubber to allow the new oval tip to exit correctly under the bumper. The item "Astra J MK6 1.7CDTi Centre Silencer Box Delete Pipe Exhaust + Rear OVAL Tailpipe" is in sale since Sunday, January 31, 2021.This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Performance Exhaust\Tailpipes & Tips". The seller is "on-lineautosport" and is located in Lichfield, Staffordshire United Kingdom. This item can be shipped to United Kingdom.