Simple one this - AUDI A4 B8 TAILPIPES
Supplier - http://www.ebay.co.uk/itm/370869316770?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649
Cost - £18.49
Time to arrive - from Hong Kong - 2 days (seriously) can't say better than that
Tools used -
Masking tape
Pencil
Grinder with thin cutting disc
File
Ruler or vernier
The Job -
i thought the tail pipes weren't that bad but when you see the after pics they have been massively