Check the listing for details. PIPE DYNAMICS AUDI A3 8V 1.0 TFSI PERFORMANCE EXHAUST - BACK BOX MUFFLER DELETE. Condition: New, Made in United Kingdom. Listed at 314.62 USD. Choice of tailpipes available for the back box delete, please contact us at time of purchase if you would like to select a style. Additional styles listed below: Please note if you do not contact us with a style we will send with 3.5" IN ROLLED SLASH CUT NON IN ROLLED as shown in the video. This will come ready to clamp on with fitting instructions, although, we would advise you have this fitted at a local garage. A cost effective way of improving the sound and look of your car. Our aftermarket Back Box Delete replaces the rear section (standard back box/muffler) with a new rear section without a silencer making it sound louder and sportier. Please note, this will only fit the STANDARD exhaust and STANDARD diffuser or any aftermarket diffuser that is designed to fit the standard exhaust .