Probably the easiest way, is to connect them to the ignition key ring light.
It's close to where you want to put them and it comes on with the dome light.
If you don't have a horn on the left side behind the bumper (reserved for higher end models),
You might find that there is a single wire, with a small plug on it.
If there is and probably will be, you'll most likely find that there is power (+12v) going to it.
Found that out on my Executive...
Not really rare and I'm sorry to say no V6's, supercharged or not, will be a muscle car.
That.....I'm afraid to say, is reserved for V8's. And only a select few at that.
Good luck with your car and I hope you get many years of enjoyment out of it.
Depends on the type of muffler.
You probably get a louder sound, but I highly doubt you'll get a deeper sound.
V6's aren't known for deeper sounds. They mostly end up sounding like lawn mowers.
A common problem with the right angle PCV breather adaptors on the 304 engines, is that they tend to come loose and will potentially fall out, due to only being a tapered fit.
I came across this solution perusing a Facebook group and decided to do the modification myself.
Two simple M5 grub...
I you are fitting a VX garnish as well. The standard VX tail lights don't have reflectors in them. Hence the reflectors in the bumper.
So you will be defected for not having them.