Im sorry if some things like this have been posted before but i wanna order an intake and idk what is better, the CAI or SRI. Can someone tell me the pros and cons of both or post me a link to someplace explaining?

I also really like the winding sound of the CAI, does the SRI sound the same?
Which adds more hp?
Also idk wheather to get injen or K&N, which in ur opinion is the better brand?

Im sorry again if this stuff has been asked but my computer is acting really slow andmy search engine results on google wont work lol but thank you guys alot.Your always a help!

Also i drive a 2006 cobalt ss S/C if that maks a difference