I have it on mine and I like how it sounds. From what I was told the flowmaster wouldn't sound much different. You gotta remember it's a 4cyl. I'm not sure if they need to be broken in or not. I can let you hear mine if you want.
__________________
"Any man who says he is an American, but something else also, isn't an American at all. We have room for but one flag, the American flag... We have room for but one language here, and that is the English language... and we have room for but one sole loyalty and that is a loyalty to the American people." - Teddy Roosevelt