Our 70 has this leaking muffler & I'm thinking of swapping it out for a 'peashooter' from a beetle, Has any of done this? I know I may have to trim the rear apron some which I'm ok with, I started pulling the baffles out of the peashooter, I want/need our to be a little tougher & have a bigger bark.
Don't think there's any reason why you can't fit a peashooter, apart from clearance issues. Buy one with tubes that rattle, and you'll have that nice VW "whistle" noise...