I'm new to the threads and i've looked through the forum for exhuast systems for the ss s/c. I was just wondering a couple things.

1) price on altered atmosphere exhuast?
2) what size is the rk sport single exhuast system?
3)price on vibrant performance exhaust and where can i purchase it from.
4) i know the magnaflow exhaust is available, but is it worth the 611 bucks?

Please feel free to reply with any opions i'm hoping to get feedback so i can make a choice alot easier.

 

This should answer most of your questions
https://www.cobaltss.net/forums/2-0l-lsj-performance-tech-47/stainless-steel-catback-exhaust-3-0-inches-3567/

I believe the alteredatmosphere was $599.

 

1) Too much
2) Pretty sure 2.5"
3) Anything by Vibrant isn't worth $5
4) No

 

So what everyone is saying is to keep the stock exhaust until something really good comes out? What other exhaust companies are coming out with 3" exhausts? Speaking of my stock exhaust, it seems as if it got a tad bit louder while upping the miles on my car.

 

What's the stock diameter on a base 2.2 exhaust?