I am going to have to get new exhaust soon(fiance jumped a curb and smushed my poor resonator) and I was wondering how simple it would be to install the Gibson catback assembly. I know a lot of people have done it, so I'm asking whether it's worth the hassle of explaining to my fiance that it is worth it. She is leery about me spending money to mod the car, and I want to have the esteemed opinions of the other Element lovers to show to her that this is really not going to turn the E into a gas-guzzling, rubber-eating monster. And she doesn't really believe me when i say that it would give us better gas mileage, which is big considering that the mpg is kinda sucky. any help you guys could throw my way would be fantastic!!! oh and neither of us can stand the wet-fart sound that comes from not having enough back pressure. I want my E to growl, not sputter or buzz.