The AA DP are 3", catless, stainless steel, bought through Mike@N54. Been on for approximately 10 months and 15K and no issues. Asking: $300
Same as: http://www.e90post.com/forums/showthread.php?t=455996
JB4+ USB: Purchased and installed by Mike@N54. No issues, no damage. On car for 11 months. Asking $280.
Both will be off my 335is by end of week.
GTA, prefer local.