Please help me out with this, im a noob and dont know much about this stuff. I bought a 2008 Hayabusa last month, it has a yoshimura full exhaust on it with the TRS tri-oval muffler. Now the problem is the guy i bought the bike from gutted out the muffler to make it louder, he took out all the packing in the muffler, so its basically a tin can and the bike sounds like a lawn mower with it, theres also a big hole on the muffler. I know i can just order a replacement muffler from yoshimura but i hate yoshimura pipes, they're so quiet. Would any other muffler from other manufactures fit on a yoshimura header? or do i have to get another yoshi pipe?