Cars in general don't like being driven very short distances, because its less efficient. That being said, modern engines are fine in that situation. Don't go full throttle while the engine is still cold. And your friend is NUTS. There is no need to do all that with the STI. I drive my car hard a lot, and the last 1/2 mile I just take it easy to let it cool while the car is in motion. Then park as normal. This isn't an old school porsche turbo! enjoy it!
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The exhaust will be fine
The factory exhaust rusts up like a mother no matter what :/
The only thing to consider is that with short commutes, the Catalytic Converters in your exhaust don't get a chance to get up to operating temperature (first 7 miles or so) and will eventually build up more carbon than normal and will die.
Your car works just fine without any cats but will throw a rear o2 cel and the cats are relatively expensive to replace (of course a new dp + tune works too
)Its not like it will die on you tomorrow or anything, just faster than someone who drives longer distances on a daily basis.
Yeah what's up with that? I usually remove factory exhausts before they start rusting but have noticed the pipes and flanges connecting the mufflers to the exhaust pipes on my 2013 look like they are 5+ years old already completely rusted. I know the difference between discoloration and rust and these parts are completely rusted.The exhaust will be fine
The factory exhaust rusts up like a mother no matter what :/
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