I've had Epco Stainless pipes
http://www.epcostainless.com/ since my America was a week old, these ones;
http://www.epcostainless.com/Triumphspeedster2003.jpgThey sound good, not headsplitting loud, but not quiet. And, I got a decent power gain to boot. No chrome issues ever because they are made of stainless steel.