Hello everyone new to this form and had a question to see if anyone can give me a hand on it. I wanted to get my exhaust changed on my bike but i cant afford the price of it right now, i had hard that u can do some kind of a mod to the the factory muffler they come with to some how get some sound out of them. i was wondering if anyone new how to do it so i can get it done on my bike. Its a 2012 Yamaha FZ6R.