Which is my best option? My exhaust will be TOG headers, Magnaflow h/f cat & resonator, and SLP cat back.
http://www.voodooboost.com/performan.../O2_Simulator/
https://www.zzperformance.com/grand_...ts1.php?id=179
http://www.3800performance.com/Merch...ct_Code=O2-SIM
http://cgi.ebay.com/ebaymotors/02-Se...cm dZViewItem
Now, one thing to take into consideration is that my Alero is a 2004 and has a different harness than the electronic simulators which are only for 99-03, and it would require some work to change the connectors. Any and all opinions will be greatly appreciated.