Quote Originally Posted by barnone View Post
axa,
Disclaimer: DO NOT attempt this if you do not have the skill to perform this operation. DO NOT come back to me complaining after you have screwed up your muffler. Performing this will increase the noise of the DF exhaust.

. DO THIS AT YOUR OWN RISK.
I spoke to my lawyer and he ensured me that an internet forum disclaimer does not constitute immunity from negligence and prosecution.

so in following your advise, I blew it up in to 1,247,154 pieces, now I have emotional issues including post traumatic stress disorder.

Therefore i have no choice but sue, so consider yourself served!



Now on to more more serious business... my initial concern about my shallow depth hole saws were correct, with out the depth that barones bit there has, you wont be able to dig deep and break up the catalyst and make it fall out very easily.
I was forced to use my prized precision Silver & Deming bits and fabricate an extension to hold the their 1/2" shanks... my lathe and mill tools never leave the shop but i had to do what i had to do.

So because my muffler baffling was not nice and evenly installed, it kept catching and binding and raking up my poor poor bits... This is why a 30 min job took me most of the morning.
That said, got the cat out, it must have been 3 maybe 4 inches long.

- So plan your cutting tool accordingly. Something that can work with deeper holes, shallow hole saws are out! And watch for an unruly baffling, catch an edge and it will make this easy job a pita!