[sm=bling.gif] Go to the website www.slp.com and check out their exhaust systems. They have vids with sound you can actully hear what thier 3 different systems sound like. They have reg aluminized steel systems and stainless steel systems bot cat back and seperate headers with cat back. I'm gooing to have thier loudest system installed with is the " LOUDMOUTH" sytem . then they have Loudmouth I and II systems which are a little less loud. FAT CAT