Quote Originally Posted by JBalla1036
I have 3 good friends that have went through all the bolt-ons and are now running FI. None of them have had any problems with codes or failing emissions. In fact I hardly ever hear of anyone have emissions problems on the tC
I havent seen any properly modified tCs throwing alot of codes. Dont over oil the filter and hook the evap and purge lines back up properly on your intake and you should be fine.