Which one would you guys recommend for quality? I live in california so i thought the 3800 performance DP would be more smoggable due to the quality of the catalytic converter. Also 3" or stock 2.5"?
3800 Performance - http://www.3800performance.com/Merch...oduct_Count=23
ZZP - http://shop.zzperformance.com/store/...Downpipes.aspx