Exhaust stud removal

[Dead Eye]

I found that method almost impossible to use. Not sure if you have enough room, but I used a stud extractor that tightens on to the stud then used an impact driver to remove them

Stud Extractor - You want the 1/4" one but its hard to find it by itself. The studs are 6mm and the 3/8" one isn't quite small enough to get a very good grip
http://www.amazon.co.uk/Laser-4393-Impac...+extractor

Impact Driver
http://www.halfords.com/webapp/wcs/store...ogId=10151