I really dont think it's as big a difference in sound from what I've heard.

Heres a clip of the normal ansa http://www.youtube.com/watch?v=0a80cFM3XXA

Here's the ansa with stock tips http://www.youtube.com/watch?v=1NhSJfBqeF4

When I watch other people's ansa it sounds just like mine with the stock tips, if you listen closely they slightly resonate at the exact same place too. The stock tips make it look a whole lot better for sure, I thought the normal ansa tips made it looks aftermarket, they just didnt fit the back end right.