It works for me.Back again... real life got in the way there...
The muffler now has a big hole in the baffle and a big hole in the top where the original outlet was.
Sorry, no pictures as this is a family site and i don't want to give any children nightmares.
In all honesty is is probably the crappiest bit of workmanship i have done in ages so i don't want to show it off.
Oldguy, will the ultra grey be ok for sealing the cylinder to the block?