Just noticed on our way back from the Boo Run in Jefferson that my SEII slip ons sounded pretty good. After I put them on last year I was hoping they would have sounded a bit louder. Do you believe in Seasoning??? Just a thought
This tends to be the case with many exhaust systems, including stock. They can sound better with age. Typically the exhaust note becomes slightly fuller, bigger and louder... with a nicer tone. Preceding said, some systems can become flatter and more blatty, especially if the muffler has packing and needs to be re-packed. This tends to be true with some aftermarket systems on sportbikes.