No they wont rust.
Alu is very good at keeping that away, its not going to be as tough as the steel exhaust parts but it should not rust.
No worries about engine damage removing the resonator does not normally cause any problems.
X pipes tend to be slightly better if you can get your hands on them because a straight pipe can cause a slight drop in power but it could be something thats only noticeable on a dyno.
__________________ One thing you will learn with German cars - If it's simple it ain't happening. |