Jam1775,
Are you sure that the Lobak mufflers are 7/8 inch.

No wounder why my car is so quiet.
I was thinking of ordering the Dynomax Bullet mufflers. I have heard that those work pretty well.
Redd,
I will check into the Chambered mufflers. I wish someone was local so I could hear them
Traveller,
How does it sound with no muffler? Are you running a BB